Online Scheduling And Appointment Booking System Bookly
Monthly
Price manipulation in Bookly WordPress plugin (versions up to 27.0) allows unauthenticated attackers to reduce appointment booking costs to zero by submitting negative values to the 'tips' parameter, exploiting insufficient server-side validation of user-supplied pricing input. No public exploit code or active exploitation has been confirmed, but the vulnerability carries moderate risk due to its ease of exploitation and direct financial impact on e-commerce transactions.
Price manipulation in Bookly WordPress plugin (versions up to 27.0) allows unauthenticated attackers to reduce appointment booking costs to zero by submitting negative values to the 'tips' parameter, exploiting insufficient server-side validation of user-supplied pricing input. No public exploit code or active exploitation has been confirmed, but the vulnerability carries moderate risk due to its ease of exploitation and direct financial impact on e-commerce transactions.