CVE-2025-61638 - Vulnerability Details - OpenCVE

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid. This vulnerability is associated with program files includes/parser/Sanitizer.Php, src/Core/Sanitizer.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1; Parsoid: from * before 0.16.6, 0.20.4, 0.21.1.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction Passive

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.

No EPSS score available.

Key SSVC decision points have not yet been added.

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References

Link	Providers
https://phabricator.wikimedia.org/T401099

History

Tue, 03 Feb 2026 00:00:00 +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, Wikimedia Foundation Parsoid. This vulnerability is associated with program files includes/parser/Sanitizer.Php, src/Core/Sanitizer.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1; Parsoid: from * before 0.16.6, 0.20.4, 0.21.1.
Title		Sanitizer::validateAttributes data-XSS
Weaknesses		CWE-79
References		https://phabricator.wikimedia.org/T401099
Metrics		cvssV4_0 `{'score': 0, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U'}`

MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published: 2026-02-02T23:52:10.457Z

Updated: 2026-02-02T23:52:10.457Z

Reserved: 2025-09-29T13:18:37.248Z

Link: CVE-2025-61638

Vulnrichment

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NVD

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Redhat

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OpenCVE Enrichment

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