A vulnerability was detected in e107 CMS up to 2.3.3. This impacts an unknown function of the file /e107_admin/image.php?mode=main&action=avatar of the component Avatar Handler. Performing manipulation of the argument multiaction[] results in path traversal.

It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.