High severity · published Oct 18, 2026
CVE-2026-110031
Salon Booking System 10.17 - 10.31.10 - Salon Staff+ Privilege Escalation to Administrator via Case-Insensitive User Meta Key
7.2
CVSS
0.2%
EPSS
No
On KEV
Description
The Salon Booking System WordPress plugin before 10.31.11 does not prevent users holding its custom salon staff role from assigning arbitrary capabilities to other accounts when editing a customer, allowing them to escalate any account to administrator and take over the site.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SB
Salon Booking System ·
10.17 before 10.31.11 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-110031
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-110031
wpscan.com
https://wpscan.com/vulnerability/8d24ad5b-2d50-467b-9c40-45e86e53dafb/
More from Salon Booking System
8.8
CVE-2026-110015
Salon Booking System < 10.31.9 - Administrator Account Creation via CSRF
7.5
CVE-2026-17022
Salon Booking System – Free Version < 10.30.34 - Unauthenticated Booking Information Disclosure via Booking Wizard
7.5
CVE-2022-0920
Salon booking system < 7.6.3 - Customer+ Bookings/Customers Data Disclosure
6.8
CVE-2026-110033
Salon Booking System < 10.31.11 - Salon Staff+ Stored XSS and SSRF via Salon REST 'image_url'
6.3
CVE-2024-2603
Salon booking system <= 9.6.5 - Editor+ Stored XSS via Email Settings