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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0007.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4249-1 mediawiki security update
Debian DSA Debian DSA DSA-5901-1 mediawiki security update
EUVD EUVD EUVD-2025-15049 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.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://lists.debian.org/debian-lts-announce/2025/07/msg00012.html cve-icon
https://phabricator.wikimedia.org/T358689 cve-icon cve-icon
History

Mon, 03 Nov 2025 20:30:00 +0000

Type Values Removed Values Added
References

Thu, 10 Apr 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 10 Apr 2025 18:45:00 +0000

Type Values Removed Values Added
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.
Title i18n XSS vulnerability in HTMLMultiSelectField when sections are used
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 0, '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2025-11-03T19:53:59.985Z

Reserved: 2025-04-09T14:30:16.780Z

Link: CVE-2025-3469

cve-icon Vulnrichment

Updated: 2025-11-03T19:53:59.985Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-04-10T19:16:02.347

Modified: 2025-11-03T20:18:47.967

Link: CVE-2025-3469

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.