Auth bypass in Five Star Restaurant Reservations

CVE-2026-15147

The Five Star Restaurant Reservations WordPress plugin before 2.7.23 does not verify the authenticity of incoming payment notifications, failing to validate the payment recipient, amount, and status or to bind the notification to the intended booking, allowing unauthenticated attackers to mark arbitrary pending reservations as paid and confirmed.

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:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (5.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.5% 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-2026-15147: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Five Star Restaurant Reservations — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-15147?
CVE-2026-15147 is a medium-severity vulnerability in Five Star Restaurant Reservations, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.3/10. Published 2026-08-06.
How severe is CVE-2026-15147?
Medium severity. CVSS v3 base score is 5.3 out of 10.