Common Weakness Enumeration
CWE-601
AllowedURL Redirection to Untrusted Site ('Open Redirect')
Abstraction: Base · Status: Draft
The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.
2562 vulnerabilities reference this CWE, most recent first.
CVE-2026-94214 (GCVE-0-2026-94214)
Vulnerability from cvelistv5 – Published: 2026-09-21 12:15 – Updated: 2026-09-30 19:05
VLAI
EPSS
VEX
Title
ST Engineering iDirect Evolution/Velocity WebServer Evolution Location Header redirect
Summary
A vulnerability was found in ST Engineering iDirect Evolution and Velocity WebServer Evolution up to 20260717. This affects an unknown part of the component Location Header Handler. Performing a manipulation of the argument Host results in open redirect. It is possible to initiate the attack remotely. The exploit has been made public and could be used.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 13:21 UTC
CWE
- CWE-601 - Open Redirect
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/408070 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/408070/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-94214 | third-party-advisory |
| https://vuldb.com/submit/894245 | third-party-advisory |
| https://github.com/dxz0069/WAVLINK-WN530H4-Comman… | exploit |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| ST Engineering iDirect | Evolution |
Affected:
20260717
cpe:2.3:a:st_engineering_idirect:evolution:*:*:*:*:*:*:*:* |
|
| ST Engineering iDirect | Velocity WebServer Evolution |
Affected:
20260717
cpe:2.3:a:st_engineering_idirect:velocity_webserver_evolution:*:*:*:*:*:*:*:* |
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CVE-2026-94102 (GCVE-0-2026-94102)
Vulnerability from cvelistv5 – Published: 2026-09-21 01:00 – Updated: 2026-09-24 13:13
VLAI
EPSS
VEX
Title
WuzhiCMS Login index.php redirect
Summary
A flaw has been found in WuzhiCMS up to 4.1.0. This affects an unknown function of the file /index.php?m=member&v=Login of the component Login. This manipulation of the argument forward causes open redirect. The attack can be initiated remotely. The exploit has been published and may be used. The only sanitization is remove_xss(), an XSS keyword/entity scrubber. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 13:13 UTC
CWE
- CWE-601 - Open Redirect
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/408032 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/408032/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-94102 | third-party-advisory |
| https://vuldb.com/submit/892905 | third-party-advisory |
| https://github.com/ArrestX/wuzhicms-advisories/bl… | exploit |
Impacted products
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CVE-2026-93871 (GCVE-0-2026-93871)
Vulnerability from cvelistv5 – Published: 2026-09-18 19:56 – Updated: 2026-09-24 14:23
VLAI
EPSS
VEX
Title
Cotonti through 1.0.0 Stored Open Redirect via Page redir: Prefix
Summary
Cotonti through 1.0.0 fails to validate redirect destinations in page bodies prefixed with redir:, allowing authenticated users with page creation or edit permissions to store redirects to arbitrary external hosts. Attackers can craft pages on trusted domains that redirect visitors to malicious sites for phishing attacks without administrative privileges.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 16:33 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/Cotonti/Cotonti/issues/1893 | issue-tracking |
| https://github.com/Cotonti/Cotonti/pull/1901 | patchissue-tracking |
| https://github.com/Cotonti/Cotonti/blob/1.0.0/mod… | technical-description |
| https://github.com/Cotonti/Cotonti | product |
| https://www.vulncheck.com/advisories/cotonti-thro… | third-party-advisory |
Impacted products
Date Public
2026-09-17 00:00
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CVE-2026-93869 (GCVE-0-2026-93869)
Vulnerability from cvelistv5 – Published: 2026-09-18 19:56 – Updated: 2026-09-24 14:23
VLAI
EPSS
VEX
Title
Cotonti through 1.0.0 Open Redirect via Unanchored cot_url_check() Regex
Summary
Cotonti through 1.0.0 contains an open redirect vulnerability in the cot_url_check() function that validates redirect destinations using a regular expression lacking an end-of-string anchor. Attackers can bypass the redirect guard by supplying hostnames beginning with the site domain to redirect users to attacker-controlled hosts through the ratings plugin or other redirect callers.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 15:16 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/Cotonti/Cotonti/issues/1891 | issue-tracking |
| https://github.com/Cotonti/Cotonti/pull/1899 | patchissue-tracking |
| https://github.com/Cotonti/Cotonti/blob/1.0.0/sys… | technical-description |
| https://github.com/Cotonti/Cotonti/blob/1.0.0/plu… | technical-description |
| https://github.com/Cotonti/Cotonti | product |
| https://www.vulncheck.com/advisories/cotonti-thro… | third-party-advisory |
Impacted products
Date Public
2026-09-17 00:00
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CVE-2026-92216 (GCVE-0-2026-92216)
Vulnerability from cvelistv5 – Published: 2026-09-16 01:45 – Updated: 2026-09-16 19:00
VLAI
EPSS
VEX
Title
a2ui-project a2ui Binder generic-binder.ts openUrl redirect
Summary
A vulnerability was found in a2ui-project a2ui up to 0.10.7. Affected by this issue is the function openUrl of the file renderers/web_core/src/v0_9/rendering/generic-binder.ts of the component Binder. The manipulation results in open redirect. It is possible to launch the attack remotely. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 18:53 UTC
CWE
- CWE-601 - Open Redirect
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/404461 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/404461/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-92216 | third-party-advisory |
| https://vuldb.com/submit/934110 | third-party-advisory |
| https://github.com/a2ui-project/a2ui/issues/2296 | issue-tracking |
| https://github.com/a2ui-project/a2ui/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| a2ui-project | a2ui |
Affected:
0.10.0
Affected: 0.10.1 Affected: 0.10.2 Affected: 0.10.3 Affected: 0.10.4 Affected: 0.10.5 Affected: 0.10.6 Affected: 0.10.7 cpe:2.3:a:a2ui-project:a2ui:*:*:*:*:*:*:*:* |
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CVE-2026-91772 (GCVE-0-2026-91772)
Vulnerability from cvelistv5 – Published: 2026-09-15 01:20 – Updated: 2026-09-24 14:22
VLAI
EPSS
VEX
Title
Halo through 2.26.1 Open Redirect via Unvalidated URI Parameter
Summary
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Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 16:56 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/halo-dev/halo/issues/10247 | issue-tracking |
| https://github.com/halo-dev/halo/blob/v2.26.1/app… | technical-description |
| https://github.com/halo-dev/halo/blob/v2.26.1/app… | technical-description |
| https://github.com/halo-dev/halo | product |
| https://www.vulncheck.com/advisories/halo-through… | third-party-advisory |
Date Public
2026-08-16 00:00
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CVE-2026-90453 (GCVE-0-2026-90453)
Vulnerability from cvelistv5 – Published: 2026-09-11 21:51 – Updated: 2026-09-14 13:00
VLAI
EPSS
VEX
Summary
A file-upload handler redirects the authenticated client's browser to a URL taken directly from that same request's Referer header, without validating it against the application's own origin. This allows an authenticated attacker to craft a request that causes another user's browser to be redirected to an arbitrary external destination after completing an upload.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 12:54 UTC
CWE
- CWE-601 - URL redirection to untrusted site ('open redirect')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://raw.githubusercontent.com/cisagov/CSAF/de… | government-resourcevendor-advisory |
Impacted products
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CVE-2026-89307 (GCVE-0-2026-89307)
Vulnerability from cvelistv5 – Published: 2026-09-15 15:23 – Updated: 2026-09-15 17:31
VLAI
EPSS
VEX
Title
HTML injection allows open redirection in WordPress theme design-scuole-wordpress-theme
Summary
The "Firma Circolare" feature in the "Design Scuole Italia" WordPress theme allows an authenticated attacker to inject arbitrary HTML via the sign parameter, enabling forced redirection of visiting users to an attacker-controlled URL (Stored HTML Injection / Open Redirect).
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 17:16 UTC
CWE
- CWE-601 - URL redirection to untrusted site ('open redirect')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/italia/design-scuole-wordpress-theme | product |
| https://www.acn.gov.it/portale/w/rilevate-vulnera… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Developers Italia | design-scuole-wordpress-theme |
Affected:
1.0 , ≤ 2.17.3
(semver)
cpe:2.3:a:developers_italia:design-scuole-wordpress-theme:*:*:*:*:*:*:*:* |
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CVE-2026-88887 (GCVE-0-2026-88887)
Vulnerability from cvelistv5 – Published: 2026-09-10 13:05 – Updated: 2026-09-29 22:10
VLAI
EPSS
VEX
Title
Renovate before 44.11.2 Credential Exfiltration via Link Header
Summary
Renovate is a dependency update automation tool. When listing tags/digests for a container image, Renovate follows pagination links supplied by the remote registry in the HTTP Link header and attaches the registry credentials to the follow-up request without verifying that the pagination URL has the same origin as the original registry. A malicious or compromised container registry can therefore specify a Link header pointing to an attacker-controlled host and receive the credentials Renovate uses for that registry. Exploitation requires that the target has container (Docker) dependencies and is already interacting with the malicious or compromised registry. This is fixed in Renovate 44.11.2 (npm and renovate/renovate images), Mend Renovate CE/EE 15.4.0 and the mend-renovate-enterprise-edition Helm chart 10.4.0; the same-origin check can be disabled with RENOVATE_X_DOCKER_PAGINATION_ALLOW_CROSS_ORIGIN.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 14:08 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/renovatebot/renovate/security/… | vendor-advisory |
| https://www.vulncheck.com/advisories/renovate-bef… | third-party-advisory |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| renovatebot | renovate |
Affected:
0 , < 44.11.2
(semver)
Unaffected: 44.11.2 (semver) |
|
| mend | renovate-ce |
Affected:
0 , < 15.4.0
(semver)
Unaffected: 15.4.0 (semver) |
|
| mend | renovate-ee-server |
Affected:
0 , < 15.4.0
(semver)
Unaffected: 15.4.0 (semver) |
|
| mend | renovate-ee-worker |
Affected:
0 , < 15.4.0
(semver)
Unaffected: 15.4.0 (semver) |
|
| mend | mend-renovate-ce |
Affected:
0 , < 15.4.0
(semver)
Unaffected: 15.4.0 (semver) |
|
| mend | mend-renovate-enterprise-edition |
Affected:
0 , < 10.4.0
(semver)
Unaffected: 10.4.0 (semver) |
Date Public
2026-08-27 00:00
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CVE-2026-88882 (GCVE-0-2026-88882)
Vulnerability from cvelistv5 – Published: 2026-09-10 13:05 – Updated: 2026-09-29 22:10
VLAI
EPSS
VEX
Title
Renovate before 44.11.2 Credential Exfiltration via Link Header
Summary
Renovate is a dependency update automation tool. In versions before 44.11.2 (and Mend Renovate CE/EE images and charts before 15.4.0, and mend-renovate-enterprise-edition helm chart before 10.4.0), when listing new package versions from a NuGet registry Renovate follows pagination URLs supplied by the registry in the HTTP `Link` header without verifying that the target has the same origin as the configured registry. Registry credentials are attached to the request for the 'next' page, so a malicious or compromised NuGet registry can return a `Link` header pointing at an attacker-controlled server and cause Renovate to send the registry credentials to that server. Exploitation requires the remote registry to be malicious or compromised; such a registry would normally already have received the credentials on the initial request, so the issue primarily allows the credentials to be delivered to an additional, attacker-chosen host. The fix restricts pagination to the same origin; the previous behaviour can be re-enabled with the RENOVATE_X_NUGET_PAGINATION_ALLOW_CROSS_ORIGIN option.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 14:09 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/renovatebot/renovate/security/… | vendor-advisory |
| https://www.vulncheck.com/advisories/renovate-bef… | third-party-advisory |
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| renovatebot | renovate |
Affected:
0 , < 44.11.2
(semver)
Unaffected: 44.11.2 (semver) |
|
| mend | renovate-ce |
Affected:
0 , < 15.4.0
(semver)
Unaffected: 15.4.0 (semver) |
|
| mend | renovate-ee-server |
Affected:
0 , < 15.4.0
(semver)
Unaffected: 15.4.0 (semver) |
|
| mend | renovate-ee-worker |
Affected:
0 , < 15.4.0
(semver)
Unaffected: 15.4.0 (semver) |
|
| mend | mend-renovate-ce |
Affected:
0 , < 15.4.0
(semver)
Unaffected: 15.4.0 (semver) |
|
| mend | mend-renovate-enterprise-edition |
Affected:
0 , < 10.4.0
(semver)
Unaffected: 10.4.0 (semver) |
Date Public
2026-08-27 00:00
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"versions": [
{
"lessThan": "15.4.0",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "15.4.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "mend-renovate-enterprise-edition",
"vendor": "mend",
"versions": [
{
"lessThan": "10.4.0",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "10.4.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "jamietanna"
}
],
"datePublic": "2026-08-27T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "Renovate is a dependency update automation tool. In versions before 44.11.2 (and Mend Renovate CE/EE images and charts before 15.4.0, and mend-renovate-enterprise-edition helm chart before 10.4.0), when listing new package versions from a NuGet registry Renovate follows pagination URLs supplied by the registry in the HTTP `Link` header without verifying that the target has the same origin as the configured registry. Registry credentials are attached to the request for the \u0027next\u0027 page, so a malicious or compromised NuGet registry can return a `Link` header pointing at an attacker-controlled server and cause Renovate to send the registry credentials to that server. Exploitation requires the remote registry to be malicious or compromised; such a registry would normally already have received the credentials on the initial request, so the issue primarily allows the credentials to be delivered to an additional, attacker-chosen host. The fix restricts pagination to the same origin; the previous behaviour can be re-enabled with the RENOVATE_X_NUGET_PAGINATION_ALLOW_CROSS_ORIGIN option."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 9.2,
"baseSeverity": "CRITICAL",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "HIGH",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "NONE"
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{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
"version": "3.1"
},
"format": "CVSS"
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],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-601",
"description": "URL Redirection to Untrusted Site (\u0027Open Redirect\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-29T22:10:38.475Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
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"references": [
{
"name": "GitHub Security Advisory (GHSA-rh7w-ccch-gh49)",
"tags": [
"vendor-advisory"
],
"url": "https://github.com/renovatebot/renovate/security/advisories/GHSA-rh7w-ccch-gh49"
},
{
"name": "VulnCheck Advisory: Renovate before 44.11.2 Credential Exfiltration via Link Header",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/renovate-before-44.11.2-credential-exfiltration-via-link-header"
}
],
"title": "Renovate before 44.11.2 Credential Exfiltration via Link Header",
"x_generator": {
"engine": "vulncheck-endgame"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-88882",
"datePublished": "2026-09-10T13:05:33.310Z",
"dateReserved": "2026-09-10T11:25:34.912Z",
"dateUpdated": "2026-09-29T22:10:38.475Z",
"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
"dataVersion": "5.2"
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Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
- Use a list of approved URLs or domains to be used for redirection.
Mitigation
Architecture and Design
Use an intermediate disclaimer page that provides the user with a clear warning that they are leaving the current site. Implement a long timeout before the redirect occurs, or force the user to click on the link. Be careful to avoid XSS problems (CWE-79) when generating the disclaimer page.
Mitigation MIT-21.2
Architecture and Design
Strategy: Enforcement by Conversion
- When the set of acceptable objects, such as filenames or URLs, is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames or URLs, and reject all other inputs.
- For example, ID 1 could map to "/login.asp" and ID 2 could map to "http://www.example.com/". Features such as the ESAPI AccessReferenceMap [REF-45] provide this capability.
Mitigation
Architecture and Design
Ensure that no externally-supplied requests are honored by requiring that all redirect requests include a unique nonce generated by the application [REF-483]. Be sure that the nonce is not predictable (CWE-330).
Mitigation MIT-6
Architecture and Design
Implementation
Strategy: Attack Surface Reduction
- Understand all the potential areas where untrusted inputs can enter your software: parameters or arguments, cookies, anything read from the network, environment variables, reverse DNS lookups, query results, request headers, URL components, e-mail, files, filenames, databases, and any external systems that provide data to the application. Remember that such inputs may be obtained indirectly through API calls.
- Many open redirect problems occur because the programmer assumed that certain inputs could not be modified, such as cookies and hidden form fields.
Mitigation MIT-29
Operation
Strategy: Firewall
Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].
CAPEC-178: Cross-Site Flashing
An attacker is able to trick the victim into executing a Flash document that passes commands or calls to a Flash player browser plugin, allowing the attacker to exploit native Flash functionality in the client browser. This attack pattern occurs where an attacker can provide a crafted link to a Flash document (SWF file) which, when followed, will cause additional malicious instructions to be executed. The attacker does not need to serve or control the Flash document. The attack takes advantage of the fact that Flash files can reference external URLs. If variables that serve as URLs that the Flash application references can be controlled through parameters, then by creating a link that includes values for those parameters, an attacker can cause arbitrary content to be referenced and possibly executed by the targeted Flash application.