What is CVE-2026-6498?

CVE-2026-6498 is a medium-severity vulnerability in Rustaurius Five Star Restaurant Reservations – Wordpress Booking Plugin, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.3/10. Published 2026-04-30.

How severe is CVE-2026-6498?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Rustaurius Five Star Restaurant Reservations – Wordpress Booking Plugin

CVE-2026-6498

The Five Star Restaurant Reservations plugin for WordPress is vulnerable to a payment bypass via PHP type juggling in versions up to, and including, 2.7.16 This is due to the valid_payment() function using a PHP loose comparison (==) betwe…

EPSS: 0.000 (11.2th percentile) — read the EPSS interpretation.

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.

Affected products

Rustaurius Five Star Restaurant Reservations – Wordpress Booking Plugin — versions 0

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

Frequently asked questions

What is CVE-2026-6498?: CVE-2026-6498 is a medium-severity vulnerability in Rustaurius Five Star Restaurant Reservations – Wordpress Booking Plugin, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.3/10. Published 2026-04-30.
How severe is CVE-2026-6498?: Medium severity. CVSS v3 base score is 5.3 out of 10.