CVE-2026-109699

The User Registration plugin (ThemeGrill) for WordPress in versions up to 5.2.8 contains a missing authorization vulnerability that allows exploitation of incorrectly configured access control security levels.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeGrill User Registration user-registration allows Stored XSS.This issue affects User Registration: from n/a through 5.2.8.

Unauthenticated Broken Access Control vulnerability in User Registration plugin up to version 5.2.7. Unauthenticated users can access restricted functionality, such as admin panel or sensitive resources.

The User Registration plugin in versions up to 5.3.0 contains a Cross Site Scripting (XSS) vulnerability allowing a Subscriber-role user to inject malicious script. This may lead to code execution in other users' browsers.

The User Registration plugin (ThemeGrill) up to version 5.3.0 contains a Missing Authorization vulnerability due to insufficient access control checks. It allows exploitation of incorrectly configured access control security levels.

The User Registration plugin (ThemeGrill) through version 5.3.0 contains a Basic XSS vulnerability due to improper neutralization of script-related HTML tags. This allows code injection into the page.

The User Registration plugin up to version 5.2.8 has a missing authorization vulnerability, allowing retrieval of embedded sensitive data. An attacker can exploit this to extract confidential information from the system.

The User Registration plugin up to version 5.2.8 has a missing authorization vulnerability, allowing exploitation of incorrectly configured access control security levels. An attacker can gain access to functions that should be protected.

The User Registration plugin up to version 5.2.8 contains a stored XSS (Cross-site Scripting) vulnerability due to improper input neutralization during web page generation. This allows an attacker to inject malicious scripts that will execute in other users' browsers.

The User Registration plugin up to version 5.2.8 contains a Cross-Site Request Forgery (CSRF) vulnerability, allowing an attacker to force an authenticated user to perform unwanted actions. The attack can be carried out without the victim's knowledge.