CVE-2025-53487 (GCVE-0-2025-53487)
Vulnerability from cvelistv5
Published
2025-07-07 15:13
Modified
2025-07-07 19:16
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
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.
References
c4f26cc8-17ff-4c99-b5e2-38fc1793eacchttps://gerrit.wikimedia.org/r/q/Ifcab085111e7898da485a5e2ae287fee4e6d167b
c4f26cc8-17ff-4c99-b5e2-38fc1793eacchttps://phabricator.wikimedia.org/T394383
Impacted products
Vendor Product Version
Wikimedia Foundation Mediawiki - ApprovedRevs extension Version: 1.39.x   ≤
Version: 1.42.x   ≤
Version: 1.43.x   ≤
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