CVE-2025-6596 NONE

CVE-2025-6596: Vector inserts portlet labels as HTML, allowing for stored XSS through system messages

Vendor Wikimedia Foundation
Product Vector
Weakness CWE-79 · XSS
Published February 2, 2026
Last update February 3, 2026
View on NVD All CVEs

CVSS base score

0.0/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 2, 2026 CVE published
February 3, 2026 Record updated

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