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

Multiple cross-site scripting (XSS) vulnerabilities in wp-login.php in the Register Plus plugin 3.5.1 and earlier for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) firstname, (2) lastname, (3) website, (4) aim, (5) yahoo, (6) jabber, (7) about, (8) pass1, and (9) pass2 parameters in a register action.

Cross-site request forgery (CSRF) vulnerability in the wpcr_do_options_page function in WP Comment Remix plugin before 1.4.4 for WordPress allows remote attackers to perform unauthorized actions as administrators via a request that sets the wpcr_hidden_form_input parameter.

SQL injection vulnerability in ajax_comments.php in the WP Comment Remix plugin before 1.4.4 for WordPress allows remote attackers to execute arbitrary SQL commands via the p parameter.

Cross-site scripting (XSS) vulnerability in wpcommentremix.php in WP Comment Remix plugin before 1.4.4 for WordPress allows remote attackers to inject arbitrary web script or HTML via the (1) replytotext, (2) quotetext, (3) originallypostedby, (4) sep, (5) maxtags, (6) tagsep, (7) tagheadersep, (8) taglabel, and (9) tagheaderlabel parameters.

Cross-site scripting (XSS) vulnerability in wp-admin/admin.php in NextGEN Gallery 0.96 and earlier plugin for Wordpress allows remote attackers to inject arbitrary web script or HTML via the picture description field in a page edit action.

WordPress version <4.9 contains a CWE-20 Input Validation vulnerability in thumbnail processing that can result in remote code execution. This attack appears to be exploitable via thumbnail upload by an authenticated user and may require additional plugins in order to be exploited however this has not been confirmed at this time. This issue appears to have been partially, but not completely fixed in WordPress 4.9

Cross-site scripting (XSS) vulnerability in the BuddyPress plugin before 1.9.2 for WordPress allows remote authenticated users to inject arbitrary web script or HTML via the name field to groups/create/step/group-details. NOTE: this can be exploited without authentication by leveraging CVE-2014-1889.

SQL injection vulnerability in wp-load.php in the BuddyPress plugin 1.5.x before 1.5.5 of WordPress allows remote attackers to execute arbitrary SQL commands via the page parameter in an activity_widget_filter action.

WordPress version 4.9.8 and earlier contains a CWE-20 Input Validation vulnerability in thumbnail processing that can result in remote code execution due to an incomplete fix for CVE-2017-1000600. This attack appears to be exploitable via thumbnail upload by an authenticated user and may require additional plugins in order to be exploited however this has not been confirmed at this time.

In WordPress through 4.9.2, unauthenticated attackers can cause a denial of service (resource consumption) by using the large list of registered .js files (from wp-includes/script-loader.php) to construct a series of requests to load every file many times.