Drawing-Captcha APP Host Header Injection in `/register` and `/confirm-email` Endpoints
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-601.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Drawing-Captcha | Drawing-Captcha-APP | before 1.2.5-alpha-patch | 1.2.5-alpha-patch | Patch available | CNA |
- Drawing-Captcha-APP VendorDrawing-Captcha Affected before 1.2.5-alpha-patch Fixed in 1.2.5-alpha-patch Patch available CNA
Remediation
- Fix · CNA Drawing-Captcha-APP (Drawing-Captcha) Fixed in 1.2.5-alpha-patch
Timeline
- 2026-10-02 Threatist record created from CVE-2025-62428
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences