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KEV Misses 88% of Exploited CVEs- Get the report
The vulnerability stemmed from the uploadImageAction method in UserController.php, which processed profile image uploads. The pre-patch code lacked server-side validation of the uploaded file's MIME type using Asset::getTypeFromMimeMapping and didn't enforce the UploadedFile type check. This allowed attackers to bypass content-type validation by crafting files with valid image signatures but malicious content. The patch explicitly added these validations, confirming this was the vulnerable entry point.
| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| pimcore/pimcore | composer | < 10.5.16 | 10.5.16 |