CVE-2025-67483
Unknown Unknown - Not Provided
Cross-Site Scripting in MediaWiki Page Preview Component

Publication date: 2026-02-03

Last updated on: 2026-04-09

Assigner: wikimedia-foundation

Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Page.Preview.Js. This issue affects MediaWiki: from * before 1.43.6, 1.44.3, 1.45.1.
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Meta Information
Published
2026-02-03
Last Modified
2026-04-09
Generated
2026-06-16
AI Q&A
2026-02-04
EPSS Evaluated
2026-06-15
NVD
CVE-2025-67483
EUVD
EUVD-2025-206647
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
mediawiki mediawiki 1.45.0
mediawiki mediawiki From 1.43.0 (inc) to 1.43.6 (exc)
mediawiki mediawiki From 1.44.0 (inc) to 1.44.3 (exc)
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 Cross-site Scripting (XSS) issue in the Wikimedia Foundation's MediaWiki software. It occurs due to improper neutralization of input during web page generation, specifically in the program files related to mediawiki.Page.Preview.Js. This means that malicious scripts could be injected into web pages generated by MediaWiki, potentially allowing attackers to execute unauthorized scripts in users' browsers.

Impact Analysis

The vulnerability can allow attackers to execute malicious scripts in the context of users' browsers when they view affected MediaWiki pages. This can lead to theft of user credentials, session hijacking, defacement of web content, or distribution of malware, compromising user security and trust.

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