CVE-2025-67483
Cross-Site Scripting in MediaWiki Page Preview Component
Publication date: 2026-02-03
Last updated on: 2026-04-09
Assigner: wikimedia-foundation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| 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 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. |
Attack-Flow Graph
AI Powered Q&A
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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What immediate steps should I take to mitigate this vulnerability?
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How can this vulnerability be detected on my network or system? Can you suggest some commands?
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Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.