Dolibarr ERP CRM before 24.0.2 contains an incorrect authorization vulnerability in htdocs/core/ajax/updateextrafield.php that checks only read permission before writing extrafield values. Authenticated users with read-only access can POST objectType, objectId, field and value parameters to persistently modify extrafields on viewable third parties, products, members, projects or contacts.

Dolibarr ERP CRM before 24.0.2 contains an incorrect authorization vulnerability in htdocs/core/ajax/updateextrafield.php that checks only read permission before writing extrafield values. Authenticated users with read-only access can POST objectType, objectId, field and value parameters to persistently modify extrafields on viewable third parties, products, members, projects or contacts.