CVE-2025-6596Vector inserts portlet labels as HTML, allowing for stored XSS through system messages
Updated under an hour ago ()
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It affects Wikimedia Foundation Vector. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 0.0 NONE (v4.0, CNA)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
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- wikimedia-foundation
- NVD analysis
- Deferred
- Record last updated
- Feb 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Wikimedia Foundation Vector wikimedia_foundation:vector (from the name) | from >= 1.40.0 before 1.42.7, 1.43.2, 1.44.0 | CNA record |
References
- https://phabricator.wikimedia.org/T396685
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.