The Joli FAQ SEO – WordPress FAQ Plugin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.3.2. This is due to missing or incorrect nonce validation when saving settings. This makes it possible for unauthenticated attackers to change the plugin's settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The All in One SEO – Best WordPress SEO Plugin – Easily Improve SEO Rankings & Increase Traffic plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to, and including, 4.6.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The SmartCrawl WordPress SEO checker, SEO analyzer, SEO optimizer plugin for WordPress is vulnerable to unauthorized ld+json description injection due to a missing capability check on the save_settings function in all versions up to, and including, 3.10.2. This makes it possible for unauthenticated attackers to save schema types.

Cross-site scripting (XSS) vulnerability in admin/google_search_console/class-gsc-table.php in the Yoast SEO plugin before 5.8.0 for WordPress allows remote attackers to inject arbitrary web script or HTML.

Cross-site scripting (XSS) vulnerability in js/wp-seo-metabox.js in the WordPress SEO by Yoast plugin before 2.2 for WordPress allows remote attackers to inject arbitrary web script or HTML via the post_title parameter to wp-admin/post-new.php, which is not properly handled in the snippet preview functionality.

Multiple SQL injection vulnerabilities in admin/class-bulk-editor-list-table.php in the WordPress SEO by Yoast plugin before 1.5.7, 1.6.x before 1.6.4, and 1.7.x before 1.7.4 for WordPress allow remote authenticated users to execute arbitrary SQL commands via the (1) order_by or (2) order parameter in the wpseo_bulk-editor page to wp-admin/admin.php. NOTE: this can be leveraged using CSRF to allow remote attackers to execute arbitrary SQL commands.

Multiple cross-site request forgery (CSRF) vulnerabilities in admin/class-bulk-editor-list-table.php in the WordPress SEO by Yoast plugin before 1.5.7, 1.6.x before 1.6.4, and 1.7.x before 1.7.4 for WordPress allow remote attackers to hijack the authentication of certain users for requests that conduct SQL injection attacks via the (1) order_by or (2) order parameter in the wpseo_bulk-editor page.