jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extend(true, {}, ...) because of Object.prototype pollution. If an unsanitized source object contained an enumerable __proto__ property, it could extend the native Object.prototype.

The Post Form – Registration Form – Profile Form for User Profiles – Frontend Content Forms for User Submissions (UGC) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'buddyforms_nav' shortcode in all versions up to, and including, 2.8.15 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 Registration Forms – User Registration Forms, Invitation-Based Registrations, Front-end User Profile, Login Form & Content Restriction plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.8.3.9 through publicly exposed log files. This makes it possible for unauthenticated attackers to view potentially sensitive information about users contained in the exposed log files.

The Yay! Forms | Embed Custom Forms, Surveys, and Quizzes Easily plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'yayforms' shortcode in all versions up to, and including, 1.2.1 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 Keap Official Opt-in Forms plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 2.0.1 via the service parameter. This makes it possible for unauthenticated attackers to include PHP files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive data, or achieve code execution in cases where PHP files can be uploaded and included. If register_argc_argv is enabled on the server and pearcmd.php is installed, this issue might lead to Remote Code Execution.

The Wise Forms WordPress plugin through 1.2.0 does not sanitise and escape some of its settings, which could allow unauthenticated users to perform Stored Cross-Site Scripting attacks via malicious form submissions.

The Forminator Forms WordPress plugin before 1.38.3 does not sanitise and escape some of its settings, which could allow high privilege users such as Admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

The Everest Forms WordPress plugin before 3.0.8.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

In Progress® Telerik® UI for WinForms, versions prior to 2025 Q1 (2025.1.211), using the improper limitation of a target path can lead to decompressing an archive's content into a restricted directory.

The WPSyncSheets Lite For WPForms – WPForms Google Spreadsheet Addon plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the wpsslwp_reset_settings() function in all versions up to, and including, 1.6. This makes it possible for authenticated attackers, with Subscriber-level access and above, to reset the plugin's settings.