Summary: A detailed security exploit showcases how vulnerabilities can be chained to access sensitive user data, particularly through an OAuth flow and a CORS misconfiguration. The attacker discovers an open redirect vulnerability allowing unauthorized access to personal information by exploiting session cookies. Recommended remediation steps include implementing CORS allow-lists and verifying redirect parameters.
Affected: redacted_sub.com
Keypoints :
- Utilized subdomain enumeration tools to identify potential targets.
- Automated site visits to discover sensitive user endpoints.
- Exploited an open redirect and CORS misconfiguration to access user profile data.
- Provided proof of concept with snippets showing exploitation techniques.
- Highlighted necessary remediation steps to close security gaps.