What’s Vulnerable › Vulnerabilities
CVE-2026-110034: Salon Booking System < 10.31.11 - Unauthenticated Negative Booking Total via Discount Code
- Severity: low (CVSS 3.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-19 · updated 2026-10-19
- Weakness: CWE-20
Description
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.
Affected products
- Salon booking system: before 10.31.11 — fixed in 10.31.11
How to fix
Upgrade to a fixed version: Salon booking system 10.31.11. Check the vendor advisory for mitigations.
References
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