CVE-2026-1431 Booking Calendar <= 10.14.13 - Missing Authorization to Unauthenticated Booking Details Exposure
Unauthenticated attackers can retrieve sensitive booking details including customer names, phones, and emails due to missing capability 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-2026-1431?
CVE-2026-1431 is a medium-severity missing authorization vulnerability in wpdevelop Booking Calendar, published on 31 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Booking Calendar plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the wpbc_ajax_WPBC_FLEXTIMELINE_NAV() function in all versions up to, and including, 10.14.13. This makes it possible for unauthenticated attackers to retrieve booking information including customer names, phones and emails.
Weakness: CWE-862
Which versions are affected by CVE-2026-1431?
How do I fix CVE-2026-1431?
No fix has been published for CVE-2026-1431 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-2026-1431 being exploited?
There is no known exploitation of CVE-2026-1431 in the wild and no public exploit code.
Sources
Also known as GHSA-73m8-h2x3-h9v2.