Improper Input Validation vulnerability in The Wikimedia Foundation Mediawiki - HTML Tags allows Cross-Site Scripting (XSS).This issue affects Mediawiki - HTML Tags: from 1.39 through 1.43.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact total

Affected Vendors & Products

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References
Link Providers
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/HTMLTags/+/1121056 cve-icon cve-icon
https://phabricator.wikimedia.org/T386337 cve-icon cve-icon
History

Mon, 07 Jul 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

Thu, 03 Jul 2025 17:30:00 +0000

Type Values Removed Values Added
Metrics cvssV4_0

{'score': 10.0, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:X/U:X'}

Thu, 03 Jul 2025 16:45:00 +0000

Type Values Removed Values Added
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

 cvssV4_0

{'score': 10.0, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:X/U:X'}

Fri, 11 Apr 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Fri, 11 Apr 2025 16:30:00 +0000

Type Values Removed Values Added
Description Improper Input Validation vulnerability in The Wikimedia Foundation Mediawiki - HTML Tags allows Cross-Site Scripting (XSS).This issue affects Mediawiki - HTML Tags: from 1.39 through 1.43.
Title System message XSS in HTMLTags
Weaknesses CWE-20
References
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}
cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published: 2025-04-11T16:22:47.728Z

Updated: 2025-07-07T14:09:51.465Z

Reserved: 2025-04-03T21:56:59.952Z

Link: CVE-2025-32073

cve-icon Vulnrichment

Updated: 2025-04-11T16:58:37.194Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-04-11T17:15:43.973

Modified: 2025-07-07T14:15:23.960

Link: CVE-2025-32073

cve-icon Redhat

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