PT-2026-54904 · Wikimedia Foundation · Mediawiki

Published 2026-07-01 · Updated 2026-07-01 · CVE-2026-58035

Mitre

CVSS v4.0

Base vector

AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki.

This vulnerability is associated with program files resources/src/mediawiki.Special.Block/SpecialBlock.Vue.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-58035

Affected Products

Mediawiki

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-58035 · Security Note
• https://phabricator.wikimedia.org/T428809 · Note