What the vulnerability does
01Description
The Fluent Forms Pro Add On Pack plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 6.1.12 via the 'saveDataSource' function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.
Explanation of Vulnerability in Simple Terms
02Summary
Fluent Forms Pro Add On Pack versions up to 6.1.12 contain a server-side request forgery vulnerability. An authenticated user with low privileges can make the site send HTTP requests to internal or external systems on the attacker's behalf. This could expose internal services, retrieve sensitive data, or interact with restricted resources. Update to a version newer than 6.1.12.
What an attacker can do
03Attacker Capabilities
Make the site send HTTP requests to internal or external systems without authorization.
Potential impact on your site
04Site Impact
Authenticated attackers can probe internal networks, access restricted services, or exfiltrate data via the site.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege user account on the site.
Key dates
06Disclosure timeline
February 9, 2026
CVE published
April 8, 2026
Record updated