GHSA-7j94-5v5j-mw57CriticalCVSS 9.8

PDF Signer 3.0 contains a server-side template injection vulnerability that allows...

Published
June 4, 2026
Last Modified
June 4, 2026

🔗 CVE IDs covered (1)

📋 Description

PDF Signer 3.0 contains a server-side template injection vulnerability that allows unauthenticated attackers to execute arbitrary code by injecting PHP commands through the CSRF-TOKEN cookie parameter. Attackers can craft malicious cookie values containing template injection payloads like shell_exec() to execute system commands and retrieve sensitive information from the server.

🔗 References (6)