CVE-2026-58519: Stored XSS through Cargo's map format
Published Jul 1, 2026
·Updated
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.
This issue affects Mediawiki - Cargo Extension: from before 3.9.1.
Affected Software
2 affected components
The Wikimedia Foundation Mediawiki - Cargo Extension>undefined
MediaWiki Cargo Mediawiki<3.9.1
Event History
Jul 1, 2026
CVE Published
via MITRE·03:59 AM
Data Sourced
via MITRE·03:59 AM
DescriptionWeakness
Data Sourced
via NVD·05:16 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-58519?
CVE-2026-58519 has a medium severity rating of 6.9 on the CVSS scale.
2
What is the risk associated with CVE-2026-58519?
CVE-2026-58519 carries a risk score of 50, indicating a moderate level of risk.
3
How do I fix CVE-2026-58519?
To mitigate CVE-2026-58519, upgrade the Mediawiki Cargo Extension to version 3.9.1 or later.
4
What type of vulnerability is CVE-2026-58519?
CVE-2026-58519 is classified as a Stored Cross-Site Scripting (XSS) vulnerability.
5
Which software is affected by CVE-2026-58519?
CVE-2026-58519 affects the Wikimedia Foundation Mediawiki - Cargo Extension prior to version 3.9.1.