PDF Signer 3.0 - SSTI to RCE via CSRF Cookie Vulnerability

Anandhu K A
Published on
01 Oct 2021

PDF Signer version 3.0 was affected by Server-Side Template Injection leading to Remote Command Execution due to improper Cookie handling and improper CSRF implementation.


A remote attacker can use this vulnerability to execute arbitrary commands.

Mitigation / Precaution

In order to patch this vulnerability, we recommend you to update PDF Signer to the latest version.

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Written by
Anandhu K A
Anandhu K A
Lead Engineer
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