What the vulnerability does
01Description
The Icon List Block – Add Icon-Based Lists with Custom Styles plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.2.1 via the fs_api_request 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. Only valid JSON objects are rendered in the response.
Explanation of Vulnerability in Simple Terms
02Summary
The Icon List Block plugin for WordPress contains a server-side request forgery (SSRF) vulnerability that allows authenticated users to make the site send HTTP requests to internal or external systems on the attacker's behalf. An attacker with low-level WordPress access can exploit this to access internal services, retrieve sensitive data, or interact with external systems. The vulnerability affects all versions up to 1.2.1.
What an attacker can do
03Attacker Capabilities
Make your site send HTTP requests to internal networks or external systems without authorization.
Potential impact on your site
04Site Impact
Attackers with basic WordPress access can probe internal infrastructure, access metadata services, or interact with external APIs on your site's behalf.
Conditions required to exploit
05Prerequisites
Attacker needs a low-privilege WordPress user account (subscriber or higher); no user interaction required.
Key dates
06Disclosure timeline
November 18, 2025
CVE published
April 8, 2026
Record updated
