CVE-2026-103044

CRITICAL 9.8

EasyTimeline should not serve image maps as application/xml

CVSS Score

9.8

EPSS Score

0.2%

EPSS Percentile

6th

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.

CWE	CWE-91
Vendor	the wikimedia foundation
Product	mediawiki - easytimeline extension
Published	Sep 29, 2026
Last Updated	Oct 1, 2026

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Affected Versions

The Wikimedia Foundation / Mediawiki - EasyTimeline extension

0 < 1.46.1, 1.45.5, 1.43.10

References

NVD ↗ CVE.org ↗ EPSS Data ↗

phabricator.wikimedia.org: https://phabricator.wikimedia.org/T428006 gerrit.wikimedia.org: https://gerrit.wikimedia.org/r/c/mediawiki/extensions/timeline/+/1346078

Credits

SomeRandomDeveloper Scott Bassett