All vulnerabilities
CVE-2026-103044

EasyTimeline should not serve image maps as application/xml

The Wikimedia Foundation Mediawiki - EasyTimeline extensionApplications & CMS
CVSS
9.8Critical
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.44%Chance of exploitation activity in the next 30 days, higher than 36% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in1.46.1, 1.45.5, 1.43.10Fixed versionCVE List
Published29 Sep 2026Updated 1 Oct 2026CVE List

What fixes it

  • 1.46.1, 1.45.5, 1.43.10Mediawiki - EasyTimeline 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

XML injection (aka blind XPath injection) vulnerability in The Wikimedia Foundation Mediawiki - EasyTimeline extension allows XML Injection.

This issue affects Mediawiki - EasyTimeline extension: before 1.46.1, 1.45.5, 1.43.10.

Text from CVE List

Affected versions 1

  • Mediawiki - EasyTimeline extensionaffected: all versions before 1.46.1, 1.45.5, 1.43.10CVE List

References 2