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GHSA-XP26-P53H-6H2P
Vulnerability from github – Published: 2022-05-13 01:13 – Updated: 2025-12-20 05:24
VLAI
Summary
Improper Neutralization of Input During Web Page Generation in LXML
Details
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
Severity
6.1 (Medium)
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "lxml"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.2.5"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2018-19787"
],
"database_specific": {
"cwe_ids": [
"CWE-79"
],
"github_reviewed": true,
"github_reviewed_at": "2022-06-28T23:26:59Z",
"nvd_published_at": "2018-12-02T10:29:00Z",
"severity": "MODERATE"
},
"details": "An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by \"j a v a s c r i p t:\" in Internet Explorer. This is a similar issue to CVE-2014-3146.",
"id": "GHSA-xp26-p53h-6h2p",
"modified": "2025-12-20T05:24:54Z",
"published": "2022-05-13T01:13:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19787"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-xp26-p53h-6h2p"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2018-12.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-2"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Improper Neutralization of Input During Web Page Generation in LXML"
}
BREW-ANSIBLE-CVE-2018-19787 (GHSA-XP26-P53H-6H2P)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:35 – Updated: 2026-09-10 18:51 – Source website
VLAI
Summary
Improper Neutralization of Input During Web Page Generation in LXML
Details
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
Severity
6.1 (Medium)
References
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "lxml",
"resource_purl": "pkg:pypi/lxml@6.1.3",
"upstream_fixed_in": "4.2.5"
},
"package": {
"ecosystem": "Homebrew",
"name": "ansible",
"purl": "pkg:brew/ansible"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "14.3.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/lxml@6.1.3",
"name": "lxml",
"resource": "lxml",
"strategy": "registry",
"subject_version": "6.1.3"
}
]
},
"details": "An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by \"j a v a s c r i p t:\" in Internet Explorer. This is a similar issue to CVE-2014-3146.",
"id": "BREW-ansible-CVE-2018-19787",
"modified": "2026-09-10T18:51:05Z",
"published": "2026-08-13T16:35:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19787"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-xp26-p53h-6h2p"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2018-12.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-2"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Improper Neutralization of Input During Web Page Generation in LXML",
"upstream": [
"GHSA-xp26-p53h-6h2p",
"CVE-2018-19787",
"PYSEC-2018-12"
]
}
BREW-BZT-CVE-2018-19787 (GHSA-XP26-P53H-6H2P)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:38 – Updated: 2026-10-06 19:22 – Source website
VLAI
Summary
Improper Neutralization of Input During Web Page Generation in LXML
Details
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
Severity
6.1 (Medium)
References
| URL | Type | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "lxml",
"resource_purl": "pkg:pypi/lxml@6.1.3",
"upstream_fixed_in": "4.2.5"
},
"package": {
"ecosystem": "Homebrew",
"name": "bzt",
"purl": "pkg:brew/bzt"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.16.51_2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/lxml@6.1.3",
"name": "lxml",
"resource": "lxml",
"strategy": "registry",
"subject_version": "6.1.3"
}
]
},
"details": "An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by \"j a v a s c r i p t:\" in Internet Explorer. This is a similar issue to CVE-2014-3146.",
"id": "BREW-bzt-CVE-2018-19787",
"modified": "2026-10-06T19:22:16Z",
"published": "2026-08-13T16:38:28Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19787"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-xp26-p53h-6h2p"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2018-12.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-2"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Improper Neutralization of Input During Web Page Generation in LXML",
"upstream": [
"GHSA-xp26-p53h-6h2p",
"CVE-2018-19787",
"PYSEC-2018-12"
]
}
BREW-DUPLICITY-CVE-2018-19787 (GHSA-XP26-P53H-6H2P)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:44 – Updated: 2026-09-30 18:43 – Source website
VLAI
Summary
Improper Neutralization of Input During Web Page Generation in LXML
Details
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
Severity
6.1 (Medium)
References
| URL | Type | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "lxml",
"resource_purl": "pkg:pypi/lxml@6.1.3",
"upstream_fixed_in": "4.2.5"
},
"package": {
"ecosystem": "Homebrew",
"name": "duplicity",
"purl": "pkg:brew/duplicity"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.0_2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/lxml@6.1.3",
"name": "lxml",
"resource": "lxml",
"strategy": "registry",
"subject_version": "6.1.3"
}
]
},
"details": "An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by \"j a v a s c r i p t:\" in Internet Explorer. This is a similar issue to CVE-2014-3146.",
"id": "BREW-duplicity-CVE-2018-19787",
"modified": "2026-09-30T18:43:00Z",
"published": "2026-08-13T16:44:03Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19787"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-xp26-p53h-6h2p"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2018-12.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-2"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Improper Neutralization of Input During Web Page Generation in LXML",
"upstream": [
"GHSA-xp26-p53h-6h2p",
"CVE-2018-19787",
"PYSEC-2018-12"
]
}
BREW-FDROIDSERVER-CVE-20… (GHSA-XP26-P53H-6H2P)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:46 – Updated: 2026-09-10 19:12 – Source website
VLAI
Summary
Improper Neutralization of Input During Web Page Generation in LXML
Details
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
Severity
6.1 (Medium)
References
| URL | Type | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "lxml",
"resource_purl": "pkg:pypi/lxml@6.1.3",
"upstream_fixed_in": "4.2.5"
},
"package": {
"ecosystem": "Homebrew",
"name": "fdroidserver",
"purl": "pkg:brew/fdroidserver"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.5_4"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/lxml@6.1.3",
"name": "lxml",
"resource": "lxml",
"strategy": "registry",
"subject_version": "6.1.3"
}
]
},
"details": "An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by \"j a v a s c r i p t:\" in Internet Explorer. This is a similar issue to CVE-2014-3146.",
"id": "BREW-fdroidserver-CVE-2018-19787",
"modified": "2026-09-10T19:12:43Z",
"published": "2026-08-13T16:46:32Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19787"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-xp26-p53h-6h2p"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2018-12.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-2"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Improper Neutralization of Input During Web Page Generation in LXML",
"upstream": [
"GHSA-xp26-p53h-6h2p",
"CVE-2018-19787",
"PYSEC-2018-12"
]
}
BREW-FONTTOOLS-CVE-2018-19787 (GHSA-XP26-P53H-6H2P)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:48 – Updated: 2026-09-12 09:00 – Source website
VLAI
Summary
Improper Neutralization of Input During Web Page Generation in LXML
Details
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
Severity
6.1 (Medium)
References
| URL | Type | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "lxml",
"resource_purl": "pkg:pypi/lxml@6.1.3",
"upstream_fixed_in": "4.2.5"
},
"package": {
"ecosystem": "Homebrew",
"name": "fonttools",
"purl": "pkg:brew/fonttools"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.63.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/lxml@6.1.3",
"name": "lxml",
"resource": "lxml",
"strategy": "registry",
"subject_version": "6.1.3"
}
]
},
"details": "An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by \"j a v a s c r i p t:\" in Internet Explorer. This is a similar issue to CVE-2014-3146.",
"id": "BREW-fonttools-CVE-2018-19787",
"modified": "2026-09-12T09:00:51Z",
"published": "2026-08-13T16:48:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19787"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-xp26-p53h-6h2p"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2018-12.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-2"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Improper Neutralization of Input During Web Page Generation in LXML",
"upstream": [
"GHSA-xp26-p53h-6h2p",
"CVE-2018-19787",
"PYSEC-2018-12"
]
}
BREW-GCOVR-CVE-2018-19787 (GHSA-XP26-P53H-6H2P)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:49 – Updated: 2026-09-09 23:59 – Source website
VLAI
Summary
Improper Neutralization of Input During Web Page Generation in LXML
Details
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
Severity
6.1 (Medium)
References
| URL | Type | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "lxml",
"resource_purl": "pkg:pypi/lxml@6.1.0",
"upstream_fixed_in": "4.2.5"
},
"package": {
"ecosystem": "Homebrew",
"name": "gcovr",
"purl": "pkg:brew/gcovr"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.6_2"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/lxml@6.1.0",
"name": "lxml",
"resource": "lxml",
"strategy": "registry",
"subject_version": "6.1.0"
}
]
},
"details": "An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by \"j a v a s c r i p t:\" in Internet Explorer. This is a similar issue to CVE-2014-3146.",
"id": "BREW-gcovr-CVE-2018-19787",
"modified": "2026-09-09T23:59:25Z",
"published": "2026-08-13T16:49:07Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19787"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-xp26-p53h-6h2p"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2018-12.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-2"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Improper Neutralization of Input During Web Page Generation in LXML",
"upstream": [
"GHSA-xp26-p53h-6h2p",
"CVE-2018-19787",
"PYSEC-2018-12"
]
}
BREW-GNURADIO-CVE-2018-19787 (GHSA-XP26-P53H-6H2P)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:52 – Updated: 2026-09-10 00:03 – Source website
VLAI
Summary
Improper Neutralization of Input During Web Page Generation in LXML
Details
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
Severity
6.1 (Medium)
References
| URL | Type | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "lxml",
"resource_purl": "pkg:pypi/lxml@6.0.2",
"upstream_fixed_in": "4.2.5"
},
"package": {
"ecosystem": "Homebrew",
"name": "gnuradio",
"purl": "pkg:brew/gnuradio"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.10.12.0_11"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/lxml@6.0.2",
"name": "lxml",
"resource": "lxml",
"strategy": "registry",
"subject_version": "6.0.2"
}
]
},
"details": "An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by \"j a v a s c r i p t:\" in Internet Explorer. This is a similar issue to CVE-2014-3146.",
"id": "BREW-gnuradio-CVE-2018-19787",
"modified": "2026-09-10T00:03:06Z",
"published": "2026-08-13T16:52:30Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19787"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-xp26-p53h-6h2p"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2018-12.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-2"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Improper Neutralization of Input During Web Page Generation in LXML",
"upstream": [
"GHSA-xp26-p53h-6h2p",
"CVE-2018-19787",
"PYSEC-2018-12"
]
}
BREW-GTK-DOC-CVE-2018-19787 (GHSA-XP26-P53H-6H2P)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:55 – Updated: 2026-09-28 17:16 – Source website
VLAI
Summary
Improper Neutralization of Input During Web Page Generation in LXML
Details
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
Severity
6.1 (Medium)
References
| URL | Type | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "lxml",
"resource_purl": "pkg:pypi/lxml@6.1.3",
"upstream_fixed_in": "4.2.5"
},
"package": {
"ecosystem": "Homebrew",
"name": "gtk-doc",
"purl": "pkg:brew/gtk-doc"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.36.1_1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/lxml@6.1.3",
"name": "lxml",
"resource": "lxml",
"strategy": "registry",
"subject_version": "6.1.3"
}
]
},
"details": "An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by \"j a v a s c r i p t:\" in Internet Explorer. This is a similar issue to CVE-2014-3146.",
"id": "BREW-gtk-doc-CVE-2018-19787",
"modified": "2026-09-28T17:16:01Z",
"published": "2026-08-13T16:55:27Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19787"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-xp26-p53h-6h2p"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2018-12.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-2"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Improper Neutralization of Input During Web Page Generation in LXML",
"upstream": [
"GHSA-xp26-p53h-6h2p",
"CVE-2018-19787",
"PYSEC-2018-12"
]
}
BREW-HOWDOI-CVE-2018-19787 (GHSA-XP26-P53H-6H2P)
Vulnerability from osv_homebrew – Published: 2026-08-13 16:56 – Updated: 2026-09-30 21:09 – Source website
VLAI
Summary
Improper Neutralization of Input During Web Page Generation in LXML
Details
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
Severity
6.1 (Medium)
References
| URL | Type | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "lxml",
"resource_purl": "pkg:pypi/lxml@6.1.3",
"upstream_fixed_in": "4.2.5"
},
"package": {
"ecosystem": "Homebrew",
"name": "howdoi",
"purl": "pkg:brew/howdoi"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.0.20_22"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/lxml@6.1.3",
"name": "lxml",
"resource": "lxml",
"strategy": "registry",
"subject_version": "6.1.3"
}
]
},
"details": "An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by \"j a v a s c r i p t:\" in Internet Explorer. This is a similar issue to CVE-2014-3146.",
"id": "BREW-howdoi-CVE-2018-19787",
"modified": "2026-09-30T21:09:20Z",
"published": "2026-08-13T16:56:27Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19787"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-xp26-p53h-6h2p"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2018-12.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-2"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Improper Neutralization of Input During Web Page Generation in LXML",
"upstream": [
"GHSA-xp26-p53h-6h2p",
"CVE-2018-19787",
"PYSEC-2018-12"
]
}
BREW-RECON-NG-CVE-2018-19787 (GHSA-XP26-P53H-6H2P)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:32 – Updated: 2026-09-10 01:05 – Source website
VLAI
Summary
Improper Neutralization of Input During Web Page Generation in LXML
Details
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
Severity
6.1 (Medium)
References
| URL | Type | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "lxml",
"resource_purl": "pkg:pypi/lxml@6.0.2",
"upstream_fixed_in": "4.2.5"
},
"package": {
"ecosystem": "Homebrew",
"name": "recon-ng",
"purl": "pkg:brew/recon-ng"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.1.2_3"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/lxml@6.0.2",
"name": "lxml",
"resource": "lxml",
"strategy": "registry",
"subject_version": "6.0.2"
}
]
},
"details": "An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by \"j a v a s c r i p t:\" in Internet Explorer. This is a similar issue to CVE-2014-3146.",
"id": "BREW-recon-ng-CVE-2018-19787",
"modified": "2026-09-10T01:05:54Z",
"published": "2026-08-13T17:32:25Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-19787"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-xp26-p53h-6h2p"
},
{
"type": "WEB",
"url": "https://github.com/lxml/lxml"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2018-12.yaml"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-1"
},
{
"type": "WEB",
"url": "https://usn.ubuntu.com/3841-2"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Improper Neutralization of Input During Web Page Generation in LXML",
"upstream": [
"GHSA-xp26-p53h-6h2p",
"CVE-2018-19787",
"PYSEC-2018-12"
]
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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