Design/Logic Flaw

The YOP Poll WordPress plugin before 6.4.3 prioritizes getting a visitor's IP from certain HTTP headers over PHP's REMOTEADDR, which makes it possible to bypass IP-based limitations to vote in certain situations...

Cross site scripting

The YOP Poll WordPress plugin before 6.3.1 is affected by a stored Cross-Site Scripting vulnerability, which exists in the Admin preview module where a user with a role as low as author is allowed to execute arbitrary script code within the context of the application. This vulnerability is due to...