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VULNERABILITIES

CVE-2026-58028 Details

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation CentralAuth. This vulnerability is associated with program files includes/Api/ApiFormatBase.Php, includes/Api/ApiHelp.Php, includes/ResourceLoader/Module.Php, includes/Hooks/Handlers/PageDisplayHookHandler.Php, includes/LogFormatter/PermissionChangeLogFormatter.Php. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9; CentralAuth: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://phabricator.wikimedia.org/T422306 wikimedia-foundationPermissions Required

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')wikimedia-foundation

Affected Products

ProductVersions
mediawiki mediawiki
>= 1.43.0, < 1.43.9
>= 1.44.0, < 1.44.6
>= 1.45.0, < 1.45.4
1.46.0 rc0

CPE

  • cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
  • cpe:2.3:a:mediawiki:mediawiki:1.46.0:rc0:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-58028
NVD Published Date:
Jul 1, 2026
NVD Last Modified:
Jul 9, 2026
Source:
wikimedia-foundation
CVE-2026-58028 Details - Not Deferred