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.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Timersys WP Popups allows Stored XSS.This issue affects WP Popups: from n/a through 2.1.5.5.

The WP Popups WordPress plugin before 2.1.5.1 does not properly escape the href attribute of its spu-facebook-page shortcode before outputting it back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks. This is due to an insufficient fix of CVE-2023-24003

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in Timersys WP Popups – WordPress Popup plugin <= 2.1.4.8 versions.

The WP Popups WordPress plugin before 2.1.4.8 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.

The WordPress Popup WordPress plugin through 1.9.3.8 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 when the unfiltered_html capability is disallowed (for example in multisite setup)