CVE-2026-84167 Hotel Booking <= 3.8 - Subscriber+ Booking Order PII Disclosure via IDOR
Authenticated users can access other customers' personal booking information due to missing ownership verification in the Hotel Booking plugin.
- 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-2026-84167?
CVE-2026-84167 is a medium-severity missing authorization vulnerability in Unknown Hotel Booking, published on 12 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Hotel Booking WordPress plugin through 3.8 does not verify that a booking record belongs to the user requesting it, allowing any authenticated user such as a Subscriber to read other customers' booking details, including their name, email address, phone number and postal address, by referencing an identifier they do not own.
Weakness: CWE-639
Which versions are affected by CVE-2026-84167?
How do I fix CVE-2026-84167?
No fix has been published for CVE-2026-84167 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-2026-84167 being exploited?
There is no known exploitation of CVE-2026-84167 in the wild and no public exploit code.
Sources
Also known as GHSA-m5mm-2642-h6gv.