CMS Made Simple version 1.x Form Builder before version 0.8.1.6 allows remote attackers to execute PHP code via the cntnt01fbrp_forma_form_template parameter in admin_store_form.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.3% chance of exploitation in the next 30 days; higher than 82% of CVEs (scores of 2026-10-31)