BaseFortify

Publication date: 2025-10-16

Last updated on: 2025-10-21

Assigner: GitHub, Inc.

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-10-16

Last Modified

2025-10-21

Generated

2026-07-06

AI Q&A

2025-10-16

EPSS Evaluated

2026-07-04

NVD

CVE-2025-62428

Affected Vendors & Products

Vendor	Product	Version / Range
drawing-captcha	drawing-captcha-app	1.2.5-alpha-patch

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-601	The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.

Attack-Flow Graph

Executive Summary

This vulnerability is a Host Header Injection in the /register and /confirm-email endpoints of the Drawing-Captcha APP. It allows an attacker to manipulate the Host header in HTTP requests to generate malicious email confirmation links that redirect users to attacker-controlled domains.

Impact Analysis

The vulnerability can impact users by allowing attackers to send malicious email confirmation links that redirect users to attacker-controlled domains, potentially leading to phishing attacks or unauthorized access during account registration or verification.

Mitigation Strategies

The immediate step to mitigate this vulnerability is to update the Drawing-Captcha APP to version 1.2.5-alpha-patch or later, where the Host Header Injection vulnerability has been fixed.

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