Vulnerability · Published Aug 18, 2026 · Assigned by Patchstack
CVE-2026-73395WordPress Booking calendar, Appointment Booking System plugin <= 3.2.36 - Insecure Direct Object References (IDOR) vulnerability
Medium 6.5
In plain English
A medium-severity authorization bypass via user-controlled key in Booking calendar, Appointment Booking System from wpdevart. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 73.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Unauthenticated Insecure Direct Object References (IDOR) in Booking calendar, Appointment Booking System <= 3.2.36 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| wpdevart | Booking calendar, Appointment Booking System | n/a – through 3.2.36 |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L