CVE-2026-103445

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

  • Published Sep 30, 2026
  • CVSS 1.2 low
  • 0.3% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-103445 at the National Vulnerability Database