Bug 2436188 (CVE-2025-67483)

Summary: CVE-2025-67483 MediaWiki: MediaWiki: Cross-site scripting vulnerability in page preview functionality
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedKeywords: Security
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in MediaWiki. This cross-site scripting (XSS) vulnerability occurs due to improper neutralization of input during web page generation within the resources/src/mediawiki.Page.Preview.Js program file. A remote attacker with high privileges could exploit this flaw to inject malicious scripts into web pages, potentially leading to information disclosure or other client-side attacks.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2436212, 2436214    
Bug Blocks:    

Description OSIDB Bzimport 2026-02-03 03:01:17 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 resources/src/mediawiki.Page.Preview.Js.

This issue affects MediaWiki: from * before 1.43.6, 1.44.3, 1.45.1.