What the vulnerability does
01Description
The Invisible Anti-Spam & CAPTCHA — reCAPTCHA Alternative for All Forms plugin for WordPress is vulnerable to generic SQL Injection via the 'key' parameter in all versions up to, and including, 5.1 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with editor-level access and above, 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
The Invisible Anti-Spam & CAPTCHA plugin for WordPress contains a SQL injection vulnerability in versions up to 5.1. An attacker with high-level site privileges can craft malicious input to read sensitive data from the site's database without modifying or deleting records. The vulnerability requires administrative or equivalent access to exploit.
What an attacker can do
03Attacker Capabilities
Read sensitive data from the site database if they have high-level site privileges.
Potential impact on your site
04Site Impact
A compromised admin account could expose user data, settings, and other database contents.
Conditions required to exploit
05Prerequisites
Attacker must have high-level site privileges (administrator or equivalent role).
Key dates
06Disclosure timeline
August 15, 2026
CVE published
