| Package | Affected versions | Patched versions |
|---|---|---|
| Piranha | ≤ 11.1.0 | |
| piranha cms | = 11.1 |
A file upload functionality in Piranha CMS 11.1 allows authenticated remote attackers to upload a crafted PDF file to /manager/media. This PDF can contain malicious JavaScript code, which is executed when a victim user opens or interacts with the PDF in their web browser, leading to a XSS vulnerability.
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