CVE-2026-9576
Medium
Description
The Fluent Booking WordPress plugin before 2.1.2 does not verify ownership of the requested group_id before exporting attendee data via the export endpoint, allowing users with at least the Calendar Manager role to retrieve attendees' PII (name, email, phone, address, payment information) from calendar groups they do not own.
SeverityMedium
CVSS4.9
Exploit probability—
ProductFluent Booking
PublishedJun 30, 2026
First seenJun 30, 2026
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- Fluent Booking2.1.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Fluent Booking | v < 2.1.2 | 2.1.2 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.