The Popup Maker – Boost Sales, Conversions, Optins, Subscribers with the Ultimate WP Popups Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘post_title’ parameter in all versions up to, and including, 1.20.2 due to insufficient input sanitization and output escaping. 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 The WP Popup Builder – Popup Forms and Marketing Lead Generation plugin for WordPress is vulnerable to arbitrary shortcode execution via the wp_ajax_nopriv_shortcode_Api_Add AJAX action in all versions up to, and including, 1.3.5. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes. NOTE: This vulnerability was partially fixed in version 1.3.5 with a nonce check, which effectively prevented access to the affected function. However, version 1.3.6 incorporates the correct authorization check to prevent unauthorized access.

The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

The Popup Maker – Boost Sales, Conversions, Optins, Subscribers with the Ultimate WP Popups Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘close_text’ parameter in all versions up to, and including, 1.19.0 due to insufficient input sanitization and output escaping. 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 WP Popups – WordPress Popup builder plugin for WordPress is vulnerable to Full Path Disclosure in all versions up to, and including, 2.2.0.1. This is due the plugin utilizing mobiledetect without preventing direct access to the files. This makes it possible for unauthenticated attackers to retrieve the full path of the web application, which can be used to aid other attacks. The information displayed is not useful on its own, and requires another vulnerability to be present for damage to an affected website.

The Float menu WordPress plugin before 5.0.2, Bubble Menu WordPress plugin before 3.0.4, Button Generator WordPress plugin before 2.3.5, Calculator Builder WordPress plugin before 1.5.1, Counter Box WordPress plugin before 1.2.2, Floating Button WordPress plugin before 5.3.1, Herd Effects WordPress plugin before 5.2.2, Popup Box WordPress plugin before 2.2.2, Side Menu Lite WordPress plugin before 4.0.2, Sticky Buttons WordPress plugin before 3.1.1, Wow Skype Buttons WordPress plugin before 4.0.2, WP Coder WordPress plugin before 2.5.6 do not escape the page parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

The WP Popup Builder WordPress plugin before 1.2.9 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting

The WP Popup Builder WordPress plugin before 1.2.9 does not have authorisation and CSRF check in an AJAX action, allowing any authenticated users, such as subscribers to delete arbitrary Popup

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