CVE-2026-17020 Salon Booking System – Free Version <= 10.31.0 - Subscriber+ Arbitrary Booking PII Disclosure
Authenticated users can access other customers' personal booking data by enumerating IDs due to missing ownership checks in the REST API.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-17020?
CVE-2026-17020 is a medium-severity missing authorization vulnerability in Unknown Salon Booking System, published on 10 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Salon Booking System WordPress plugin through 10.31.0 does not verify that a requested booking belongs to the caller on one of its REST API endpoints, requiring only a basic read capability, allowing any authenticated user (including a Subscriber or self-registered customer account) to disclose any customer's booking personal data such as name, email, phone number, address and private notes by enumerating booking identifiers.
Weakness: CWE-639
Which versions are affected by CVE-2026-17020?
How do I fix CVE-2026-17020?
No fix has been published for CVE-2026-17020 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-17020 being exploited?
There is no known exploitation of CVE-2026-17020 in the wild and no public exploit code.
Sources
Also known as GHSA-pf8j-pw7h-gqgp.