Bug 2543747 (CVE-2026-103049)

Summary: CVE-2026-103049 mediawiki/cargo: mediawiki/cargo: Reflected cross-site scripting via unsanitized table headers
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: medium    
Version: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in the MediaWiki Cargo extension. This vulnerability allows a remote attacker to conduct a reflected Cross-Site Scripting (XSS) attack due to improper input sanitization of table headers on the Special:CargoQuery page. By enticing a user to follow a specially crafted link, an attacker can execute arbitrary script code in the victim's browser session, potentially accessing sensitive information or performing unintended actions on their behalf.
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Bug Depends On: 2543791    
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Description OSIDB Bzimport 2026-09-29 23:25:49 UTC
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo extension allows Reflected XSS.

This issue affects Mediawiki - Cargo extension: before 1.46.1.