PCRS <= 3.11 (d0de1e) “Questions” page and “Code editor” page are vulnerable to remote code execution (RCE) by escaping Python sandboxing.
https://github.com/windecks/CVE-2023-46404
https://bitbucket.org/utmandrew/pcrs/commits/5f18bcbb383b7d73f7a8b399cc52b23597d752ae