CVE-2025-62656
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-20

Last updated on: 2025-10-21

Assigner: wikimedia-foundation

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.
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Meta Information
Published
2025-10-20
Last Modified
2025-10-21
Generated
2026-06-16
AI Q&A
2025-10-21
EPSS Evaluated
2026-06-15
NVD
CVE-2025-62656
EUVD
EUVD-2025-35105
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
the_wikimedia_foundation mediawiki_globalblocking_extension 1.44
the_wikimedia_foundation mediawiki_globalblocking_extension 1.43
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability is a Stored Cross-site Scripting (XSS) issue in the MediaWiki GlobalBlocking extension versions 1.43 and 1.44. It occurs due to improper neutralization of input during web page generation, allowing malicious scripts to be stored and executed in users' browsers.

Impact Analysis

The vulnerability can allow attackers to execute malicious scripts in the context of the affected website, potentially leading to unauthorized actions, data theft, session hijacking, or other malicious activities impacting users and administrators.

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