Potential Captcha Validate Bypass in flask-session-captcha
flask-session-captcha is a package which allows users to extend Flask by adding an image based captcha stored in a server side session. In versions prior to 1.2.1, the captcha.validate() function would return None if passed no value (e.g. by submitting an having an empty form). If implementing users were checking the return value to be False, the captcha verification check could be bypassed. Version 1.2.1 fixes the issue. Users can …