Low severity · published Oct 19, 2026
CVE-2026-110034
Salon Booking System < 10.31.11 - Unauthenticated Negative Booking Total via Discount Code
3.7
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SB
Salon Booking System ·
before 10.31.11 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-110034
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-110034
wpscan.com
https://wpscan.com/vulnerability/e3a64d4d-92db-4dbc-a0b5-58bca4d8b5c4/
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CVE-2026-110031
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CVE-2026-110033
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