SPIP v4.1.5 and earlier was discovered to contain a SQL injection vulnerability via the _oups parameter. This vulnerability allows attackers to execute arbitrary code via a crafted POST request.
https://www.debian.org/security/2023/dsa-5325
https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-1-7-SPIP-4-0-9-et-SPIP-3-2-17.html