MsUpload: Stored Cross-Site Scripting (XSS) via unsanitized msu-continue system message
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wikimedia Foundation | Mediawiki - MsUpload extension | unaffected |
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| Vendor | Product | Versions |
|---|---|---|
| Mediawiki | Mediawiki | — |
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-20664 | 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. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.203% probability within 30 days)
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| Metrics |
cvssV3_1
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| 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. | |
| Title | MsUpload: Stored Cross-Site Scripting (XSS) via unsanitized msu-continue system message | |
| Weaknesses | CWE-79 | |
| References |
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