Improper input validation in Salon Booking System

CVE-2026-110034

The Salon Booking System WordPress plugin before 10.31.11 does not enforce a minimum of zero when subtracting a fixed-amount discount from a booking's total, allowing an unauthenticated visitor who knows a valid discount code to create a confirmed booking stored with a negative total.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • Salon Booking System

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-110034?
CVE-2026-110034 is a low-severity vulnerability in Salon Booking System, classified under Improper Input Validation. CVSS score: 3.7/10. Published 2026-10-19.
How severe is CVE-2026-110034?
Low severity. CVSS v3 base score is 3.7 out of 10.