CVE-2023-23752 (GCVE-0-2023-23752)
Vulnerability from cvelistv5 – Published: 2023-02-16 16:25 – Updated: 2026-02-26 05:05Title
[20230201] - Core - Improper access check in webservice endpoints
Summary
An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints.
Severity
5.3 (Medium)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-24 20:52 UTC
CWE
- ACL
- CWE-284 - Improper Access Control
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://developer.joomla.org/security-centre/894-… | vendor-advisory |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Joomla! Project | Joomla! CMS |
Affected:
4.0.0-4.2.7
|
|
| joomla | joomla\! |
Affected:
4.0.0 , ≤ 4.2.7
(custom)
cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:* |
Date Public
2023-02-16 16:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: f70ebc43-6b02-4539-859e-93d98618ee27
Exploited: Yes
Timestamps
First Seen: 2024-01-08
Asserted: 2024-01-08
Scope
Notes: Joomla! Improper Access Control Vulnerability | Affected: Joomla! / Joomla! | Description: Joomla! contains an improper access control vulnerability that allows unauthorized access to webservice endpoints. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-01-29 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html; https://nvd.nist.gov/vuln/detail/CVE-2023-23752
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-284 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Joomla! |
| Due Date | 2024-01-29 |
| Date Added | 2024-01-08 |
| Vendorproject | Joomla! |
| Vulnerabilityname | Joomla! Improper Access Control Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-10-02 08:09 CEST
| Updated: 2026-10-02 08:09 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: f4d18faf-78a5-437d-bd30-af68c9466cf0
Exploited: Yes
Timestamps
First Seen: 2024-01-08
Asserted: 2024-01-08
Scope
Notes: [20230201] - Core - Improper access check in webservice endpoints | Affected: Joomla! Project / Joomla! CMS | CVSS: 5.3 (MEDIUM) | EPSS: 0.99827 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | [20230201] - Core - Improper access check in webservice endpoints |
| Cve Id | CVE-2023-23752 |
| Vendor | Joomla! Project |
| Ghsa Id | None |
| Product | Joomla! CMS |
| Added Date | 2024-01-08T00:00:00.000Z |
| Cvss Score | 5.3 |
| Epss Score | 0.99827 |
| Previous Ids | |
| Cvss Severity | MEDIUM |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.9996 |
| Used In Malware | unknown |
| Vulnerability Id | CVE-2023-23752 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-10-02 09:11 CEST
| Updated: 2026-10-02 09:11 CEST
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "joomla\\!",
"vendor": "joomla",
"versions": [
{
"lessThanOrEqual": "4.2.7",
"status": "affected",
"version": "4.0.0",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-23752",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-07-24T20:52:45.656035Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2024-01-08",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-23752"
},
"type": "kev"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "CWE-284 Improper Access Control",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T23:15:25.076Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-23752"
}
],
"timeline": [
{
"lang": "en",
"time": "2024-01-08T00:00:00.000Z",
"value": "CVE-2023-23752 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-02T10:42:25.640Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Joomla! CMS",
"vendor": "Joomla! Project",
"versions": [
{
"status": "affected",
"version": "4.0.0-4.2.7"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Zewei Zhang from NSFOCUS TIANJI Lab"
}
],
"datePublic": "2023-02-16T16:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eAn issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints.\u003c/p\u003e"
}
],
"value": "An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "ACL",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-26T05:05:03.342Z",
"orgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
"shortName": "Joomla"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "[20230201] - Core - Improper access check in webservice endpoints",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
"assignerShortName": "Joomla",
"cveId": "CVE-2023-23752",
"datePublished": "2023-02-16T16:25:21.003Z",
"dateReserved": "2023-01-17T19:02:50.302Z",
"dateUpdated": "2026-02-26T05:05:03.342Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-23752",
"date": "2026-10-06",
"epss": "0.99827",
"percentile": "0.9996"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Joomla! CMS",
"vendor": "Joomla! Project",
"versions": [
{
"status": "affected",
"version": "4.0.0-4.2.7"
}
]
}
],
"source": "security@joomla.org"
},
{
"affectedData": [
{
"cpes": [
"cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "joomla\\!",
"vendor": "joomla",
"versions": [
{
"lessThanOrEqual": "4.2.7",
"status": "affected",
"version": "4.0.0",
"versionType": "custom"
}
]
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"cisaActionDue": "2024-01-29",
"cisaExploitAdd": "2024-01-08",
"cisaRequiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
"cisaVulnerabilityName": "Joomla! Improper Access Control Vulnerability",
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C6F63041-8035-4313-8636-4170A131A2C3",
"versionEndExcluding": "4.2.8",
"versionStartIncluding": "4.0.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints."
}
],
"id": "CVE-2023-23752",
"lastModified": "2026-06-17T05:37:50.963",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4,
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-23752",
"options": [
{
"exploitation": "active"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-07-24T20:52:45.656035Z",
"version": "2.0.3"
}
}
]
},
"published": "2023-02-16T17:15:10.603",
"references": [
{
"source": "security@joomla.org",
"tags": [
"Vendor Advisory"
],
"url": "https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html"
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"tags": [
"US Government Resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-23752"
}
],
"sourceIdentifier": "security@joomla.org",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-284"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T10:42:25.640Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html"
}
],
"title": "CVE Program Container"
},
{
"affected": [
{
"cpes": [
"cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "joomla\\!",
"vendor": "joomla",
"versions": [
{
"lessThanOrEqual": "4.2.7",
"status": "affected",
"version": "4.0.0",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-23752",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-07-24T20:52:45.656035Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2024-01-08",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-23752"
},
"type": "kev"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "CWE-284 Improper Access Control",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-07-24T20:56:43.087Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-23752"
}
],
"timeline": [
{
"lang": "en",
"time": "2024-01-08T00:00:00.000Z",
"value": "CVE-2023-23752 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Joomla! CMS",
"vendor": "Joomla! Project",
"versions": [
{
"status": "affected",
"version": "4.0.0-4.2.7"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Zewei Zhang from NSFOCUS TIANJI Lab"
}
],
"datePublic": "2023-02-16T16:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eAn issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints.\u003c/p\u003e"
}
],
"value": "An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "ACL",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-26T05:05:03.342Z",
"orgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
"shortName": "Joomla"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "[20230201] - Core - Improper access check in webservice endpoints",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "6ff30186-7fb7-4ad9-be33-533e7b05e586",
"assignerShortName": "Joomla",
"cveId": "CVE-2023-23752",
"datePublished": "2023-02-16T16:25:21.003Z",
"dateReserved": "2023-01-17T19:02:50.302Z",
"dateUpdated": "2026-02-26T05:05:03.342Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
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.
Loading…
Loading…
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.
Loading…
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.
Loading…