The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

CHANGING Mobile One Time Password's uploading function in a hidden page does not filter file type properly. Remote attackers with administrator privilege can exploit this vulnerability to upload and run malicious file to execute system commands.

CHANGING Mobile One Time Password does not properly filter parameters for the file download functionality, allowing remote attackers with administrator privilege to read arbitrary file on the system.

ChangingTec MOTP system has a path traversal vulnerability. A remote attacker with administrator’s privilege can exploit this vulnerability to access arbitrary system files.