The Jetpack WordPress plugin before 12.1.1 does not validate uploaded files, allowing users with author roles or above to manipulate existing files on the site, deleting arbitrary files, and in rare cases achieve Remote Code Execution via phar deserialization.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Jetpack | Automattic | * | 12.1.1 (excluding) |