Medium severity · published Sep 30, 2026
CVE-2026-96886
Course Booking System < 7.0.9 - Unauthenticated Attendee PII Disclosure via CSV Export
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
The Course Booking System WordPress plugin before 7.0.9 does not restrict access to its booking export, allowing unauthenticated users to download the name, email address and billing address of every customer who has booked a course.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CB
Course Booking System ·
7.0 before 7.0.9 · source: vendor