CVE-2026-85602 Grav Form Plugin before 9.1.20 reCAPTCHA v3 Authentication Bypass

The Grav Form plugin getgrav/grav-plugin-form versions 8.0.6 through 9.1.19 select the reCAPTCHA version to validate based solely on which response field key is present in the submitted payload. On a site configured for reCAPTCHA v3, an anonymous attacker can place their v3 token under the v2 fie...