CVE-2026-58028
Severity CVSS v4.0:
NONE
Type:
CWE-79
Cross-Site Scripting (XSS)
Publication date:
01/07/2026
Last modified:
09/07/2026
Description
Improper Neutralization of Input During Web Page Generation (XSS or &#39;Cross-site Scripting&#39;) vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation CentralAuth.<br />
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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.<br />
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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.
Impact
Base Score 4.0
0.00
Severity 4.0
NONE
Base Score 3.x
5.40
Severity 3.x
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | 1.43.0 (including) | 1.43.9 (excluding) |
| cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | 1.44.0 (including) | 1.44.6 (excluding) |
| cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | 1.45.0 (including) | 1.45.4 (excluding) |
| cpe:2.3:a:mediawiki:mediawiki:1.46.0:rc0:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page



