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Vulnerability details: VCID-z3qw-4ejj-uffj
Vulnerability ID VCID-z3qw-4ejj-uffj
Aliases CVE-2025-3469
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk None
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
epss 0.00436 https://api.first.org/data/v1/epss?cve=CVE-2025-3469
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2025-3469
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2025-3469
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2025-3469
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2025-3469
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2025-3469
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2025-3469
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2025-3469
epss 0.00523 https://api.first.org/data/v1/epss?cve=CVE-2025-3469
cvssv4 0 https://phabricator.wikimedia.org/T358689
ssvc Track https://phabricator.wikimedia.org/T358689
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2025-3469
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-3469
T358689 https://phabricator.wikimedia.org/T358689
No exploits are available.
Vector: 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/RE:M/U:Green Found at https://phabricator.wikimedia.org/T358689
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-10T19:06:28Z/ Found at https://phabricator.wikimedia.org/T358689
Exploit Prediction Scoring System (EPSS)
Percentile 0.62921
EPSS Score 0.00436
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T16:38:34.999212+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.0.0