Description
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.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| NuGet | Piranha | <= 11.1.0 | — | GHSA-cmwp-442x-3rcv |