What the vulnerability does
01Description
The Fonts Manager | Custom Fonts plugin for WordPress is vulnerable to time-based SQL Injection via the ‘fmcfIdSelectedFnt’ parameter in all versions up to, and including, 1.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Explanation of Vulnerability in Simple Terms
02Summary
Fonts Manager | Custom Fonts versions 1.2 and earlier contain a SQL injection vulnerability accessible over the network without authentication. An attacker can query or modify the site's database by sending specially crafted requests. This affects confidentiality of stored data but not integrity or availability.
What an attacker can do
03Attacker Capabilities
Read sensitive data from the site's database without logging in.
Potential impact on your site
04Site Impact
Attackers can extract user data, credentials, and other sensitive information stored in your database.
Conditions required to exploit
05Prerequisites
Network access to the site; no authentication or user interaction required.
Key dates
06Disclosure timeline
March 21, 2026
CVE published
April 8, 2026
Record updated
