CVE-2025-3469

NONE

MediaWiki <1.39.12, 1.42.6, 1.43.1 - XSS

Title source: llm

Description

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.

References (2)

Core 2

Core References

Mailing List

https://lists.debian.org/debian-lts-announce/2025/07/msg00012.html

Issue Tracking

https://phabricator.wikimedia.org/T358689

Scores

CVSS v4 0.0

EPSS 0.0036

EPSS Percentile 28.3%

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:M/U:Green

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (1)

Wikimedia Foundation/MediaWiki < 1.39.12, 1.42.6, 1.43.1

Published Apr 10, 2025

Tracked Since Feb 18, 2026