How severe is CVE-2025-6596?

CVE-2025-6596 has a CVSS 4.0 base score of 0.0, rated none severity.

Is CVE-2025-6596 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-6596?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-6596 have an EU (EUVD) identifier?

Yes. CVE-2025-6596 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206628.

When was CVE-2025-6596 published?

CVE-2025-6596 was published on 2026-02-02 and last updated on 2026-06-17.

CVE-2025-6596

CVE-2025-6596 is a none-severity vulnerability with a CVSS 4.0 base score of 0.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: None (CVSS 4.0 base score 0.0)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206628
Weakness: CWE-79
Published: 2026-02-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-6596?: 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.
How severe is CVE-2025-6596?: CVE-2025-6596 has a CVSS 4.0 base score of 0.0, rated none severity.
Is CVE-2025-6596 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-6596?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-6596 have an EU (EUVD) identifier?: Yes. CVE-2025-6596 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206628.
When was CVE-2025-6596 published?: CVE-2025-6596 was published on 2026-02-02 and last updated on 2026-06-17.

References

https://phabricator.wikimedia.org/T396685

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