SPIP 3.1.x suffer from a Reflected Cross Site Scripting Vulnerability in /ecrire/exec/info_plugin.php involving the `$plugin` parameter, as demonstrated by a /ecrire/?exec=info_plugin URL.
Severity
CVSS 3.0
6.1 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)