Update the WordPress Contest Gallery plugin to the latest available version (at least 10.4.5).
Cryptography Laboratory discovered and reported this Cross Site Request Forgery (CSRF) vulnerability in WordPress Contest Gallery Plugin. This could allow a malicious actor to force higher privileged users to execute unwanted actions under their current authentication. For example a password change which will then allow the malicious actor to login into the admin account. This vulnerability has been fixed in version 10.4.5.
Unauth. Stored CrossSite Scripting (XSS) vulnerability
Authenticated SQL Injection (SQLi) vulnerability
Authenticated Stored CrossSite Scripting (XSS) vulnerability
Missing Access Controls to Unauthenticated SQL injection (SQLi) / Email Address Disclosure vulnerability
Email Address Disclosure vulnerability