Numerous Plugins and Themes from the AccessPress Themes (aka Access Keys) vendor are backdoored due to their website being compromised. Only plugins and themes downloaded via the vendor website are affected, and those hosted on wordpress.org are not. However, all of them were updated or removed to avoid any confusion

Cross-site request forgery (CSRF) vulnerability in Custom CSS Pro 1.0.3 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.