CVE-2026-96886 Course Booking System < 7.0.9 - Unauthenticated Attendee PII Disclosure via CSV Export

Medium 5.3 Published Updated

Unauthenticated attackers can download sensitive customer PII via the booking export feature in the Course Booking System plugin.

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-2026-96886?

CVE-2026-96886 is a medium-severity missing authorization vulnerability in Unknown Course Booking System, published on 30 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-200

Which versions are affected by CVE-2026-96886?

How do I fix CVE-2026-96886?

No fix has been published for CVE-2026-96886 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-2026-96886 being exploited?

There is no known exploitation of CVE-2026-96886 in the wild and no public exploit code.

Sources

Also known as GHSA-xm8x-c5rq-f7r4.

Is CVE-2026-96886 in your software?

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