CVE-2026-58028

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.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://phabricator.wikimedia.org/T422306	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki:1.46.0:rc0::::::

History

09 Jul 2026, 19:37

Type	Values Removed	Values Added
References	~~() https://phabricator.wikimedia.org/T422306 -~~	() https://phabricator.wikimedia.org/T422306 - Permissions Required
CPE		cpe:2.3:a:mediawiki:mediawiki:1.46.0:rc0:::::: cpe:2.3:a:mediawiki:mediawiki::::::::
First Time		Mediawiki mediawiki Mediawiki
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.4

01 Jul 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-01 16:16

Updated : 2026-07-09 19:37

NVD link : CVE-2026-58028

Mitre link : CVE-2026-58028

CVE.ORG link : CVE-2026-58028

JSON object : View

Products Affected

mediawiki

mediawiki

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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CentralAuth: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9."}], "lastModified": "2026-07-09T19:37:07.557", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5BC82408-61E8-4F28-8AEC-438E159DC867", "versionEndExcluding": "1.43.9", "versionStartIncluding": "1.43.0"}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8F0FD7F7-0D82-4E68-91D8-0ADAE54CB8C5", "versionEndExcluding": "1.44.6", "versionStartIncluding": "1.44.0"}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "439E39DA-8BB7-4AF7-9F42-E334A9B4AD3E", "versionEndExcluding": "1.45.4", "versionStartIncluding": "1.45.0"}, {"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.46.0:rc0:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D371958A-1F95-4C45-B556-B087A7274D4C"}], "operator": "OR"}]}], "sourceIdentifier": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}