CVE-2026-94589 Extensions For CF7 WordPress - Arbitrary File Upload

Extensions For CF7 WordPress plugin <= 3.4.5 contains an arbitrary file upload vulnerability caused by missing validation and sanitize_file_name() bypass in extcf7_submit function, letting unauthenticated attackers upload executable files and achieve remote code execution.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.66% chance of exploitation in 30 days
View the NVD record ↗