CVE-2026-93872

Cotonti 1.0.0 is affected by a PHP object injection vulnerability in the comments plugin EditAction . The base64-decoded cb parameter is passed directly to unserialize() without an allowed_classes restriction, allowing registered users with comment write permissions to instantiate arbitrary PHP o...

EUVD-2026-83369

Cotonti 1.0.0 passes the base64-decoded cb parameter to unserialize without allowedclasses 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 chain...