CVE-2026-58032 Details
Description
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.Api/index.Js. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.
A cross-site scripting (XSS) vulnerability has been identified in Wikimedia Foundation MediaWiki versions prior to 1.46.0, as well as in versions 1.45.4, 1.44.6, and 1.43.9. This vulnerability arises from improper neutralization of input during web page generation, specifically within the file resources/src/mediawiki.Api/index.js.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 1, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://phabricator.wikimedia.org/T426867 | wikimedia-foundation | Permissions Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | wikimedia-foundation |
Affected Products
| Product | Versions |
|---|---|
| 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
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 9, 2026 | Initial Analysis | [email protected] |
| Jul 1, 2026 | CVE Modified | CISA-ADP |
| Jul 1, 2026 | New CVE Received | wikimedia-foundation |