CVE-2026-103044: The Wikimedia Foundation Mediawiki - Easytimeline Extension

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• The Wikimedia Foundation Mediawiki - Easytimeline Extension

Published 2026-09-29. Last modified 2026-10-01.