All vulnerabilities
CVE-2026-100237

Stored i18n XSS in the Flow integration of Thanks

The Wikimedia Foundation Mediawiki - Thanks ExtensionApplications & CMS
Open in ThreatlineRecord JSON
CVSS
6.1Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.15%Chance of exploitation activity in the next 30 days, higher than 4% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in1.43.10/1.45.5/1.46.1Fixed versionCVE List
Published25 Sep 2026Updated 25 Sep 2026CVE List

What fixes it

  • 1.43.10/1.45.5/1.46.1Mediawiki - Thanks ExtensionCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Thanks Extension allows Stored XSS.

This issue affects Mediawiki - Thanks Extension: from * before 1.43.10/1.45.5/1.46.1.

Text from CVE List

Affected versions 1

  • Mediawiki - Thanks Extensionaffected: * before 1.43.10/1.45.5/1.46.1CVE List

References 2