Bug 2436104 (CVE-2025-61642)

Summary: CVE-2025-61642 MediaWiki: MediaWiki: Cross-site Scripting (XSS) vulnerability via improper input neutralization
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in MediaWiki. This improper neutralization of input during web page generation, also known as Cross-site Scripting (XSS), allows a remote attacker to inject malicious scripts into web pages viewed by other users. This can lead to information disclosure or other client-side attacks.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2436198, 2436202    
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Description OSIDB Bzimport 2026-02-03 00:01:39 UTC
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 includes/htmlform/CodexHTMLForm.Php, includes/htmlform/fields/HTMLButtonField.Php.

This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.