Arbitrary file overwrite during recovery due to improper symbolic link handling. The following products are affected: Acronis Backup plugin for cPanel & WHM (Linux) before build 1.8.3.818, Acronis Backup plugin for cPanel & WHM (Linux) before build 1.9.1.892, Acronis Backup extension for Plesk (Linux) before build 1.8.6.599, Acronis Backup plugin for DirectAdmin (Linux) before build 1.2.2.181.