CVE-2026-58031 NONE

CVE-2026-58031: Stored i18n XSS in Special:ApiSandbox when a deprecated module is selected

Vendor Wikimedia Foundation
Product MediaWiki
Weakness CWE-79 · XSS
Published July 1, 2026
Last update July 1, 2026
View on NVD All CVEs

CVSS base score

0.0/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.Apisandbox/ApiSandboxLayout.Js. This issue affects MediaWiki: from 1.46.0-rc.0 before 1.46.0.

Key dates

02Disclosure timeline

July 1, 2026 CVE published
July 1, 2026 Record updated