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TI-2026-12758 Aliases CVE-2026-15147GHSA-4prh-qcrv-cpfg

Five Star Restaurant Reservations < 2.7.23 - Unauthenticated Payment Bypass and Booking Confirmation via IDOR

Priority MEDIUM 63CWE-345Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-345.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00163 5th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Five Star Restaurant Reservations (Unknown): 2.7.23

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownFive Star Restaurant Reservationsbefore 2.7.232.7.23Patch availableCNA
  • Five Star Restaurant Reservations VendorUnknown Affected before 2.7.23 Fixed in 2.7.23 Patch available CNA

Remediation

  • Fix · CNA Five Star Restaurant Reservations (Unknown) Fixed in 2.7.23

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15147
  2. 2026-10-03 Alias added: GHSA-4prh-qcrv-cpfg

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences