CVE-2026-18779 Missing authorization in TrueBooker
Unauthenticated attackers can delete arbitrary appointment and payment records in the TrueBooker WordPress plugin due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-18779?
CVE-2026-18779 is a medium-severity missing authorization vulnerability in Unknown TrueBooker, published on 19 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in one of its AJAX actions, allowing unauthenticated users to delete arbitrary appointment records along with their associated booking items and payment records.
Weakness: CWE-862
Which versions are affected by CVE-2026-18779?
How do I fix CVE-2026-18779?
No fix has been published for CVE-2026-18779 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-2026-18779 being exploited?
There is no known exploitation of CVE-2026-18779 in the wild and no public exploit code.
Sources
Also known as GHSA-47hm-j4wc-4fjq.