CVE-2025-53494
MEDIUM severity · CVSS 6.5 · Cross-site scripting (XSS)
6.5CVSS MEDIUM
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TwoColConflict Extension allows Stored XSS.This issue affects Mediawiki - TwoColConflict 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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactLow
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://gerrit.wikimedia.org/r/c/mediawiki/extensions/TwoColConflict/+/1150011 ↗