All vulnerabilities

Servers and applications

CVE-2025-61637

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Action/mediawiki.Action.Edit.Preview.Js, resources/src/mediawiki.Page.Preview.Js. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.

Severity
Unrated
Published
3 Feb 2026
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.39.14, 1.43.4, 1.44.1
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • Every version before 1.39.14
  • From 1.39.15 before 1.43.4
  • From 1.43.5 before 1.44.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-61637
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-61637