The Zack Katz Debt Calculator up to version 1.0.1 contains a Cross-Site Request Forgery (CSRF) vulnerability (CVE-2025-23861). CSRF vulnerabilities enable attackers to induce users to perform actions they did not intend by exploiting the user's authenticated session. This vulnerability is network exploitable without privileges and requires user interaction. It impacts confidentiality, integrity, and availability to a limited extent. No patch or official remediation guidance is currently available, and the product is not a cloud service, so remediation depends on vendor updates.

Successful exploitation of this CSRF vulnerability could allow attackers to perform unauthorized actions on behalf of authenticated users, potentially leading to limited confidentiality, integrity, and availability impacts within the Debt Calculator application. The CVSS vector indicates that user interaction is required and the attack can be performed remotely without privileges. There are no known active exploits reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider implementing standard CSRF protections such as verifying anti-CSRF tokens in requests or restricting sensitive actions to POST requests with proper validation. Monitor vendor communications for updates and apply patches promptly once available.