CVE-2025-61656
Cross-Site Scripting in Wikimedia VisualEditor ClipboardHandler.js
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 | visual_editor | From 1.39.0 (inc) to 1.39.14 (exc) |
| mediawiki | visual_editor | From 1.43.0 (inc) to 1.43.4 (exc) |
| mediawiki | visual_editor | 1.44.0 |
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
Can you explain this vulnerability to me?
This vulnerability is a Cross-site Scripting (XSS) issue in the Wikimedia Foundation VisualEditor. It occurs due to improper neutralization of input during web page generation, specifically in the program files src/ce/ve.Ce.ClipboardHandler.Js. This means that malicious scripts can be injected into web pages generated by VisualEditor, potentially allowing attackers to execute arbitrary code in users' browsers.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
How can this vulnerability impact me? :
The vulnerability can allow attackers to execute malicious scripts in the context of the affected web application, which can lead to unauthorized actions such as stealing user credentials, session hijacking, or defacing web content. This compromises the security and integrity of the application and its users.