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CVSS Score
-| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| django-markdownx | pip | <= 4.0.2 |
The vulnerability is a stored XSS in the upload functionality due to improper sanitization. In Django MarkdownX, the upload view (markdownx_upload) processes user-uploaded files and returns their metadata. If the filename or content is not sanitized, it can be injected into the Markdown output as part of image tags or URLs. Since the advisory explicitly implicates the upload functionality and lack of JavaScript sanitization, the most likely culprit is the upload handler responsible for processing and returning file metadata to the client.
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