PT-2026-54906 · Mediawiki · Mediawiki

Published 2026-07-01 · Updated 2026-07-01 · CVE-2026-58037

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions MediaWiki versions prior to 1.46.0 MediaWiki versions prior to 1.45.4 MediaWiki versions prior to 1.44.6 MediaWiki versions prior to 1.43.9

Description Cross-site Scripting (XSS) occurs due to improper neutralization of input during web page generation. This issue is present in the log entry formatting code, where user-controlled input can lead to the execution of malicious scripts. The affected program files include includes/Language/Language.Php, includes/Logging/BlockLogFormatter.Php, includes/Logging/LogFormatter.Php, includes/Logging/PatrolLogFormatter.Php, includes/Logging/RenameuserLogFormatter.Php, includes/Logging/TagLogFormatter.Php, and includes/Specials/SpecialVersion.Php.

Recommendations Update to version 1.46.0 or later. Update to version 1.45.4 or later. Update to version 1.44.6 or later. Update to version 1.43.9 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-58037

Affected Products

Mediawiki

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2026-58037 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-58037 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-58037 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-58037 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-58037 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-58037 · Security Note
• https://ubuntu.com/security/CVE-2026-58037 · Vendor Advisory
• https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1306232 · Note
• https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1306314 · Note
• https://phabricator.wikimedia.org/T422995 · Note
• https://t.me/CVEtracker/58570 · Telegram Post