TDuck survey form through version 5.3 fails to validate webhook URLs or verify form ownership in the WebhookConfigController. Authenticated attackers can attach webhooks to other users' forms and exfiltrate submissions to arbitrary external or internal addresses.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 5
https://github.com/TDuckCloud/tduck-survey-form
disclosure@vulncheck.com
https://github.com/TDuckCloud/tduck-survey-form/blob/9ad4e2dc75cdff5eacc8be0c73…
disclosure@vulncheck.com
https://github.com/TDuckCloud/tduck-survey-form/blob/9ad4e2dc75cdff5eacc8be0c73…
disclosure@vulncheck.com
https://github.com/TDuckCloud/tduck-survey-form/issues/40
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/tduck-survey-form-through-5.3-server-side-…
disclosure@vulncheck.com