spip is vulnerable to arbitrary code execution. An attacker can inject and execute malicious code through the GET parameter
blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-1-5-SPIP-4-0-8-et-SPIP-3-2-16.html
github.com/Abyss-W4tcher/ab4yss-wr4iteups/blob/ffa980faa9e3598d49d6fb7def4f7a67cfb5f427/SPIP%20-%20Pentest/SPIP%204.1.2/SPIP_4.1.2_AUTH_RCE/SPIP_4.1.2_AUTH_RCE_Abyss_Watcher_12_07_22.md
pastebin.com/ZH7CPc8X
security-tracker.debian.org/tracker/CVE-2022-37155
spawnzii.github.io/posts/2022/07/how-we-have-pwned-root-me-in-2022/