Vulnerability in Fluent Booking

CVE-2026-9576

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…

EPSS: 0.001 (3.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

  • Unknown Fluent Booking — versions 0

References

Frequently asked questions

What is CVE-2026-9576?
CVE-2026-9576 is a medium-severity vulnerability in Fluent Booking, classified under CWE-200 INFORMATION EXPOSURE. CVSS score: 4.9/10. Published 2026-06-30.
How severe is CVE-2026-9576?
Medium severity. CVSS v3 base score is 4.9 out of 10.