WordPress — свободно распространяемая система управления содержимым сайта с открытым исходным кодом.

WordPress before 5.3.1 allowed an attacker to create a cross-site scripting attack (XSS) in well crafted links, because of an insufficient protection mechanism in wp_targeted_link_rel in wp-includes/formatting.php.

wp_kses_bad_protocol in wp-includes/kses.php in WordPress before 5.3.1 mishandles the HTML5 colon named entity, allowing attackers to bypass input sanitization, as demonstrated by the javascript: substring.

WordPress before 5.3.1 allowed an unauthenticated user to make a post sticky through the REST API because of missing access control in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php.

WordPress before 5.2.4 is vulnerable to poisoning of the cache of JSON GET requests because certain requests lack a Vary: Origin header.

In WordPress before 5.2.4, unauthenticated viewing of certain content is possible because the static query property is mishandled.

WordPress before 5.2.4 has a Server Side Request Forgery (SSRF) vulnerability because URL validation does not consider the interpretation of a name as a series of hex characters.

WordPress before 5.2.4 is vulnerable to a stored XSS attack to inject JavaScript into STYLE elements.

WordPress before 5.2.4 is vulnerable to stored XSS (cross-site scripting) via the Customizer.

WordPress before 5.2.4 does not properly consider type confusion during validation of the referer in the admin pages, possibly leading to CSRF.

WordPress before 5.2.4 has a Server Side Request Forgery (SSRF) vulnerability because Windows paths are mishandled during certain validation of relative URLs.