CVE-2026-103044

EasyTimeline should not serve image maps as application/xml

State: Published
Severity: 9.8 Critical
Published: Sep 29, 2026
Updated: Oct 1, 2026
Reserved: Sep 29, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-91 XML injection (aka blind XPath injection)
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
Mediawiki - EasyTimeline extensionThe Wikimedia Foundation	before 1.46.1, 1.45.5, 1.43.10Affected

References

https://phabricator.wikimedia.org/T428006issue-tracking
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/timeline/+/1346078mitigation

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