What the vulnerability does
01Description
Missing Authorization vulnerability in hcaptcha hCaptcha for WP hcaptcha-for-forms-and-more allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects hCaptcha for WP: from n/a through <= 4.21.1.
Explanation of Vulnerability in Simple Terms
02Summary
The hCaptcha for WP plugin through version 4.21.1 fails to properly check user permissions before allowing access to certain functions. An attacker without authentication can read sensitive information exposed by the plugin. Update to a version newer than 4.21.1 to resolve this issue.
What an attacker can do
03Attacker Capabilities
Read sensitive information from the plugin without logging in.
Potential impact on your site
04Site Impact
Unauthorized visitors can access data the plugin exposes, potentially including configuration or user details.
Conditions required to exploit
05Prerequisites
Network access to the WordPress site; no authentication or user interaction required.
Key dates
06Disclosure timeline
February 19, 2026
CVE published
April 28, 2026
Record updated