CVE-2026-34094

LOW

Customized help link for page protection indicator is relative to subpage name, because the link target is missing the "/wiki/" prefix

Title source: cna

Description

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Page/Article.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

References (1)

Core 1

Core References

https://phabricator.wikimedia.org/T416090

Scores

CVSS v3 3.8

EPSS 0.0003

EPSS Percentile 9.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-668

Status published

Products (2)

mediawiki/mediawiki < 1.43.7

Wikimedia Foundation/MediaWiki < 1.43.7, 1.44.4, 1.45.2

Published May 11, 2026

Tracked Since May 11, 2026