CVE-2026-39933 Multiple XSS vulnerabilities in GlobalWatchlist

Improper neutralization of input during web page generation 'cross-site scripting' vulnerability in The Wikimedia Foundation Mediawiki - GlobalWatchlist Extension allows Cross-Site Scripting XSS. The issue has been remediated on the master branch, and in the release branches for MediaWiki version...

CVE-2026-0817

The Wikimedia Foundation MediaWiki - CampaignEvents extension versions 1.39, 1.43, 1.44, and 1.45 are affected by a missing authorization vulnerability. The issue stems from a lack of proper authorization checks within the CampaignEvents API , which can lead to privilege abuse and the unauthorize...

CVE-2026-22712 ApprovedRevs allows bypassing the inline CSS sanitizer

Improper Encoding or Escaping of Output due to magic word replacement in ParserAfterTidy vulnerability in The Wikimedia Foundation Mediawiki - ApprovedRevs Extension allows Input Data Manipulation.This issue affects Mediawiki - ApprovedRevs Extension: 1.45, 1.44, 1.43, 1.39...

CVE-2025-62695

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension allows Stored XSS.This issue affects Mediawiki - WikiLambda Extension: master...

EUVD-2025-34969

Allocation of Resources Without Limits or Throttling vulnerability in The Wikimedia Foundation Mediawiki - CirrusSearch Extension allows HTTP DoS.This issue affects Mediawiki - CirrusSearch Extension: from master before 1.43...

The vulnerability of the WatchAnalytics extension of the software platform, which enables the implementation of a hypertext environment like MediaWiki, allows attackers to carry out cross-site scripting attacks.

The vulnerability of the WatchAnalytics extension for implementing the MediaWiki hypertext environment exists due to the lack of measures taken to protect the structure of web pages. Exploiting this vulnerability could allow a malicious actor to perform cross-site scripting attacks using the...

The vulnerability of the OATHAuth extension of the software platform for implementing the MediaWiki hypertext environment allows a hacker to circumvent existing security restrictions through brute-force attacks.

The vulnerability of the OATHAuth extension, a software tool for implementing a hypertext environment like MediaWiki, relates to insufficient restrictions on authentication attempts. Exploiting this vulnerability could allow a malicious actor to circumvent existing security measures through...