CVE-2025-62656 - Vulnerability Details - OpenCVE

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.

Attack Vector Network

Attack Complexity High

Privileges Required High

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact Low

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.

Exploitation none

Automatable no

Technical Impact partial

No data.

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References

Link	Providers
https://phabricator.wikimedia.org/T403291

History

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		https://phabricator.wikimedia.org/T403291
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'}`

MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published: 2025-10-20T20:15:14.947Z

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

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

Link: CVE-2025-62656

Vulnrichment

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

NVD

Status : Received

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

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

Link: CVE-2025-62656

Redhat

No data.

OpenCVE Enrichment

No data.

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