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2 vulnerabilities found for Mediawiki - ApprovedRevs extension by Wikimedia Foundation
CVE-2025-53487 (GCVE-0-2025-53487)
Vulnerability from nvd – Published: 2025-07-07 15:13 – Updated: 2025-07-07 19:16
VLAI
Title
ApprovedRevs: Stored Cross-Site Scripting (XSS) via unsanitized system messages
Summary
The ApprovedRevs extension for MediaWiki is vulnerable to stored XSS in multiple locations where system messages are inserted into raw HTML without proper escaping. Attackers can exploit this by injecting JavaScript payloads via the uselang=x-xss language override, which causes crafted message keys to be rendered unescaped.
This issue affects Mediawiki - ApprovedRevs extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - ApprovedRevs extension |
Affected:
1.39.x , < 1.39.13
(semver)
Affected: 1.42.x , < 1.42.7 (semver) Affected: 1.43.x , < 1.43.2 (semver) |
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CVE-2025-53487 (GCVE-0-2025-53487)
Vulnerability from cvelistv5 – Published: 2025-07-07 15:13 – Updated: 2025-07-07 19:16
VLAI
Title
ApprovedRevs: Stored Cross-Site Scripting (XSS) via unsanitized system messages
Summary
The ApprovedRevs extension for MediaWiki is vulnerable to stored XSS in multiple locations where system messages are inserted into raw HTML without proper escaping. Attackers can exploit this by injecting JavaScript payloads via the uselang=x-xss language override, which causes crafted message keys to be rendered unescaped.
This issue affects Mediawiki - ApprovedRevs extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | Mediawiki - ApprovedRevs extension |
Affected:
1.39.x , < 1.39.13
(semver)
Affected: 1.42.x , < 1.42.7 (semver) Affected: 1.43.x , < 1.43.2 (semver) |
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