The import.json.php file before 8.9 for Avideo is vulnerable to a File Deletion vulnerability. This allows the deletion of configuration.php, which leads to certain privilege checks not being in place, and therefore a user can escalate privileges to admin.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-23489
Reference (s):
- https://cube01.io/blog/Avideo-Remote-Code-Execution.html
- https://github.com/WWBN/AVideo/commit/ecc5f40470bbafff231133f58db1df70f47bfb33