PT-2026-54901 · Mediawiki · Mediawiki

Published 2026-07-01 · Updated 2026-07-01 · CVE-2026-58032

Positive Technologies (AI Summary)

CVSS v4.0

5.3

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA: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. The issue is located in the resources/src/mediawiki.Api/index.Js file, where the mw.Api.getErrorMessage() function may return injected HTML if it is used without the errorformat=html parameter.

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-2026-58032

Affected Products

Mediawiki

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-58032 · Security Note
• https://phabricator.wikimedia.org/T426867 · Note
• https://t.me/CVEtracker/58576 · Telegram Post