CVE-2025-53478 (GCVE-0-2025-53478)
Vulnerability from cvelistv5
Published
2025-07-07 18:16
Modified
2025-07-07 20:49
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 CheckUser extension’s Special:Investigate interface is vulnerable to reflected XSS due to improper escaping of certain internationalized system messages rendered on the “IPs and User agents” tab. This issue affects Mediawiki - CheckUser 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/I3a1e21b6800ff4d813a33ee9fe9b7ccf070b6b2e
c4f26cc8-17ff-4c99-b5e2-38fc1793eacchttps://phabricator.wikimedia.org/T394692
Impacted products
Vendor Product Version
Wikimedia Foundation Mediawiki - CheckUser extension Version: 1.39.x   ≤
Version: 1.42.x   ≤
Version: 1.43.x   ≤
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