CVE-2025-62428 Drawing-Captcha APP Host Header Injection in `/register` and `/confirm-email` Endpoints
Attackers can manipulate Host headers to generate malicious email links, redirecting users to attacker-controlled domains during registration or verification.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-62428?
CVE-2025-62428 is a high-severity vulnerability in Drawing-Captcha-APP, published on 16 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-601
Which versions are affected by CVE-2025-62428?
How do I fix CVE-2025-62428?
No fix has been published for CVE-2025-62428 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-62428 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-62428 exists.
Sources
Also known as GHSA-5pj8-fc6g-vv7m.