What the vulnerability does
01Description
The Post Grid, Form Maker, Popup Maker, WooCommerce Blocks, Post Blocks, Post Carousel – Combo Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'class' attribute of the menu-wrap-item block in all versions up to, and including, 2.2.80 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.
Explanation of Vulnerability in Simple Terms
02Summary
Post Grid versions up to 2.2.80 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts into the plugin's settings or content fields. These scripts execute in the browsers of other site visitors and administrators, potentially stealing session tokens, modifying page content, or performing actions on their behalf.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that runs in other users' browsers when they view affected pages.
Potential impact on your site
04Site Impact
Visitors and admins may have their sessions hijacked, credentials stolen, or site content modified without their knowledge.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege user account (e.g., contributor or subscriber role) on the WordPress site.
Key dates
06Disclosure timeline
June 7, 2024
CVE published
April 8, 2026
Record updated
