CVE-2025-62428: Drawing-Captcha Drawing-Captcha-App

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Drawing-Captcha APP provides interactive, engaging verification for Web-Based Applications. The vulnerability is a Host Header Injection in the /register and /confirm-email endpoints. It allows an attacker to manipulate the Host header in HTTP requests to generate malicious email confirmation links. These links can redirect users to attacker-controlled domains. This vulnerability affects all users relying on email confirmation for account registration or verification. This vulnerability is fixed in 1.2.5-alpha-patch.

Affected products

• Drawing-Captcha Drawing-Captcha-App: before 1.2.5-alpha-patch (fixed in 1.2.5-alpha-patch)

Published 2025-10-16. Last modified 2026-10-09.