Typecho Page manage-pages.php backdoor

A vulnerability classified as problematic was found in Typecho 1.2.1. Affected by this vulnerability is an unknown functionality of the file /admin/manage-pages.php of the component Page Handler. The manipulation leads to backdoor. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-247249 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.