What is CVE-2025-3469?

CVE-2025-3469 is a vulnerability in Wikimedia Foundation Mediawiki, classified under Cross-site Scripting. Published 2025-04-10.

Is CVE-2025-3469 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Wikimedia Foundation Mediawiki

CVE-2025-3469

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLMultiSelectField.Php. This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (31.6th percentile) — read the EPSS interpretation.

Affected products

Wikimedia Foundation Mediawiki — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ARPSyndicate/cve-scores
w4zu/Debian_

References

c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-3469?: CVE-2025-3469 is a vulnerability in Wikimedia Foundation Mediawiki, classified under Cross-site Scripting. Published 2025-04-10.
Is CVE-2025-3469 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.