Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - MassEditRegex Extension allows Stored XSS.This issue affects Mediawiki - MassEditRegex Extension: from 1.39.X before 1.39.12, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

Classification

CVE ID: CVE-2025-53500

Affected Products

Vendor: Wikimedia Foundation

Product: Mediawiki - MassEditRegex Extension

References

https://nvd.nist.gov/vuln/detail/CVE-2025-53500
https://phabricator.wikimedia.org/T397334
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/MassEditRegex/+/1163878/

Timeline