All vulnerabilities
CVE-2026-103444

Stored XSS through system messages in WikiForum

The Wikimedia Foundation MediaWiki WikiForum extensionApplications & CMS
Open in ThreatlineRecord JSON
CVSS
1.1Low
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.34%Chance of exploitation activity in the next 30 days, higher than 25% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Published30 Sep 2026Updated 30 Sep 2026CVE List

What fixes it

No source in this snapshot names a fixed version.

Description

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki WikiForum extension allows Stored XSS.

This issue affects MediaWiki WikiForum extension: master.

Text from CVE List

Affected versions 1

  • MediaWiki WikiForum extensionaffected: masterCVE List

References 2