Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki GlobalBlocking extension allows Stored XSS.This issue affects MediaWiki GlobalBlocking extension: 1.43, 1.44.
Published: 2025-10-20
Score: 5.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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References
History

Tue, 21 Oct 2025 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Mediawiki
Mediawiki globalblocking
Mediawiki mediawiki
Vendors & Products Mediawiki
Mediawiki globalblocking
Mediawiki mediawiki

Mon, 20 Oct 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Mon, 20 Oct 2025 20:30:00 +0000

Type Values Removed Values Added
Description Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki GlobalBlocking extension allows Stored XSS.This issue affects MediaWiki GlobalBlocking extension: 1.43, 1.44.
Title GlobalBlocking Special:GlobalBlockList vulnerable to message key stored XSS
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 5.8, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/S:N/AU:N/R:U/V:C/RE:L/U:Amber'}


Subscriptions

Mediawiki Globalblocking Mediawiki
cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2025-10-20T20:35:55.124Z

Reserved: 2025-10-17T22:01:52.601Z

Link: CVE-2025-62656

cve-icon Vulnrichment

Updated: 2025-10-20T20:35:51.927Z

cve-icon NVD

Status : Deferred

Published: 2025-10-20T21:15:38.590

Modified: 2026-04-15T00:35:42.020

Link: CVE-2025-62656

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-21T09:39:32Z

Weaknesses