CVE-2026-89435 Formidable Forms WordPress Plugin - Unrestricted File Upload

Formidable Forms WordPress plugin <= 6.35 contains an arbitrary plugin installation vulnerability caused by insufficient URL prefix validation and weak permission checks, letting authenticated attackers with subscriber-level access install plugins, exploit requires free-only site without Formidable Pro.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.39% chance of exploitation in 30 days
View the NVD record ↗