The Tripzzy WordPress plugin before 1.5.1 does not perform any capability or ownership checks on its administrative booking-management actions, which are additionally exposed to unauthenticated users and gated only by a token the Tripzzy WordPress plugin before 1.5.1 issues to any anonymous visitor on request, allowing unauthenticated attackers to alter the contents, stored totals and notes of arbitrary bookings.
Credits
Pablo González Pérez
Francisco José Ramírez Vicente and Iñigo Sánchez Enciso
