What the vulnerability does
01Description
The Group Chat & Video Chat by AtomChat plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'atomchat_update_auth_ajax' and 'atomchat_update_layout_ajax' functions in all versions up to, and including, 1.1.7. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update plugin options, including critical settings such as API keys, authentication keys, and layout configurations.
Explanation of Vulnerability in Simple Terms
02Summary
AtomChat Group Chat & Video Chat versions 1.1.7 and earlier lack proper authorization checks, allowing authenticated users to modify data they should not have access to. An attacker with a low-privilege account can alter information within the application. The vulnerability affects the integrity of user data but does not expose sensitive information or disrupt service availability.
What an attacker can do
03Attacker Capabilities
Modify data or settings they should not have permission to change.
Potential impact on your site
04Site Impact
User accounts with limited permissions can alter shared data, potentially corrupting group chats or video chat settings.
Conditions required to exploit
05Prerequisites
Attacker must have a valid low-privilege user account on the site.
Key dates
06Disclosure timeline
March 21, 2026
CVE published
April 14, 2026
Record updated
