CVE-2026-103044
EasyTimeline should not serve image maps as application/xml
The Wikimedia Foundation Mediawiki - EasyTimeline extensionApplications & CMS
CVSS
9.8CriticalExploitationNo 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
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