Auth bypass in Wp Travel Engine

CVE-2026-16737

The WP Travel Engine WordPress plugin before 6.8.5 does not perform authorization or ownership checks when loading a caller-supplied booking identifier in one of its unauthenticated cart actions, allowing unauthenticated attackers to disclose any customer's booking order details and their stored billing information, and to overwrite that customer's booking record with their own data.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (22.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-16737: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

  • Wp Travel Engine — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16737?
CVE-2026-16737 is a medium-severity vulnerability in Wp Travel Engine, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-08-12.
How severe is CVE-2026-16737?
Medium severity. CVSS v3 base score is 5.3 out of 10.