The wptravelengine Travel Booking plugin versions up to 1.3.9 contain a missing authorization vulnerability. This issue arises from incorrectly configured access control security levels, allowing unauthorized users to perform actions that should require proper authorization. The CVSS 3.1 base score is 5.3 (medium), with an attack vector of network, low attack complexity, no privileges required, and no user interaction needed. The impact is limited to integrity, with no confidentiality or availability impact reported. No patch or vendor advisory is currently provided.

Exploitation of this vulnerability could allow an attacker to modify data within the Travel Booking plugin without proper authorization. There is no impact on confidentiality or availability. The vulnerability could lead to unauthorized changes that may affect the integrity of booking data or related information.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, review and tighten access control configurations for the Travel Booking plugin where possible. Monitor for updates from the vendor or security advisories regarding patches or mitigations.