Vulnerability · Published Sep 29, 2026 · Assigned by wikimedia-foundation

CVE-2026-103044EasyTimeline should not serve image maps as application/xml

Critical 9.8

In plain English

A critical-severity path traversal in Mediawiki - EasyTimeline extension from The Wikimedia Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.4%top 61.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:26.04:LTSmediawikino fix listedUBUNTU-CVE-2026-103044
Ubuntu:26.10mediawikino fix listedUBUNTU-CVE-2026-103044

Affected products (as reported)

VendorProductVersions
The Wikimedia Foundation Mediawiki - EasyTimeline extension 0 – before 1.46.1, 1.45.5, 1.43.10

Weakness: CWE-91, CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References