CVE-2026-93872 [HIGH] – Cotonti 1.0.0 passes the base64-decoded cb parameter to unserialize() without allowed_clas

Cotonti 1.0.0 passes the base64-decoded cb parameter to unserialize() without allowed_classes restriction in the comments plugin EditAction. Registered users with comment write permissions can instantiate arbitrary PHP objects and potentially achieve file write or code execution through gadget chains.