CVE Details
Basic Information
| Title | MsUpload: Stored Cross-Site Scripting (XSS) via unsanitized msu-continue system message |
|---|---|
| Type | cve |
| Published | 2025-07-08T17:22:35.364Z |
| Modified | 2025-07-08T17:22:35.364Z |
Product Information
| Vendor | Wikimedia Foundation |
|---|---|
| Product | Mediawiki – MsUpload extension |
| Version | 1.39.x |
CVSS Information
| Base Score | 0.0 () |
|---|
AI Analysis
| AI Description | A stored XSS vulnerability in the MsUpload extension for MediaWiki due to unsanitized system messages, affecting versions 1.39.x, 1.42.x, and 1.43.x. |
|---|---|
| AI Severity | Medium |
| AI Vendor | Wikimedia Foundation |
| AI Product | MsUpload extension |
| AI Version | 1.39.x, 1.42.x, 1.43.x |
Affected Products
- Wikimedia Foundation Mediawiki – MsUpload extension 1.39.x
- Wikimedia Foundation Mediawiki – MsUpload extension 1.42.x
- Wikimedia Foundation Mediawiki – MsUpload extension 1.43.x
Additional Information
| CWE List | CWE-79 |
|---|---|
| Source | wikimedia-foundation |
Description
The MsUpload extension for MediaWiki is vulnerable to stored XSS via the msu-continue system message, which is inserted into the DOM without proper sanitization. The vulnerability occurs in the file upload UI when the same filename is uploaded twice.
This issue affects Mediawiki – MsUpload extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.