CVE-2026-103584

Description

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki CommonsMetadata extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki CommonsMetadata extension: 1.46, 1.45, and 1.43.

References

• https://gerrit.wikimedia.org/r/q/I66c102cae36a9d499c95c37db7458371c7c87258
• https://phabricator.wikimedia.org/T435999