What the vulnerability does
01Description
The Coupon X: Discount Pop Up, Promo Code Pop Ups, Announcement Pop Up, WooCommerce Popups plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.3.5 via deserialization of untrusted input from post content passed to the capture_email AJAX action. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
Explanation of Vulnerability in Simple Terms
02Summary
Coupon X for WooCommerce versions up to 1.3.5 contain a deserialization vulnerability that allows authenticated attackers to execute arbitrary code on the site. The vulnerability requires low-level user privileges and high attack complexity, but successful exploitation grants full control over the WordPress installation. Site owners should update immediately to a patched version.
What an attacker can do
03Attacker Capabilities
Run their own code on the site with full access to the database and files.
Potential impact on your site
04Site Impact
Attackers with user accounts can take over your site, steal data, or inject malware.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege user account (e.g., subscriber or contributor role).
Key dates
06Disclosure timeline
January 11, 2025
CVE published
April 8, 2026
Record updated
