Unrestricted file upload vulnerability in index.php in the Twitter Clone (TClone) plugin for ReVou Micro Blogging allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in settings/my_photo.

adminlogin/password.php in the Twitter Clone (TClone) plugin for ReVou Micro Blogging does not verify the original password before changing passwords, which allows remote attackers to change the administrator's password and gain privileges via a direct request with modified newpass1 and newpass2 parameters in a Change operation.

Multiple SQL injection vulnerabilities in ReVou Micro Blogging Twitter clone allow remote attackers to execute arbitrary SQL commands via the (1) username and (2) password fields.