What’s Vulnerable › Vulnerabilities
CVE-2025-6596: Vector inserts portlet labels as HTML, allowing for stored XSS through system messages
- Severity: none (CVSS 0.0 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-02-02 · updated 2026-06-17
- Weakness: CWE-79
Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Vector. This vulnerability is associated with program files resources/skins.Vector.Js/portlets.Js, resources/skins.Vector.Legacy.Js/portlets.Js. This issue affects Vector: from >= 1.40.0 before 1.42.7, 1.43.2, 1.44.0.
Affected products
- Wikimedia Foundation Vector: from >= 1.40.0 before 1.42.7, 1.43.2, 1.44.0 — fixed in 1.43.2, 1.44.0, 1.42.7
How to fix
Upgrade to a fixed version: Wikimedia Foundation Vector 1.43.2, 1.44.0, 1.42.7. Check the vendor advisory for mitigations.
References
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