SPIP before 4.4.18 contains a mass assignment vulnerability in the editer_objet action that allows unauthenticated attackers to write arbitrary rows to any SQL table lacking a champs_editables allowlist by supplying an attacker-controlled arg parameter resolving to internal database tables. Attackers can insert a malicious row into the spip_jobs queue with a controlled PHP function and arguments, which is then dynamically executed when the cron processes the queue, resulting in remote code execution.
https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-4-18.html
Published: 2026-09-11
Updated: 2026-09-15
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
Base Score: 9.3
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Severity: Critical
EPSS: 0.00594