CVE-2026-9576

Fluent Booking < 2.1.2 - Calendar Manager+ Sensitive Information Disclosure via Attendee Export

Published Jun 30, 2026 CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Fluent Booking
Fluent Booking fluent Booking
Wordpress
Wordpress wordpress
Vendors & Products Fluent Booking
Fluent Booking fluent Booking
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Weaknesses CWE-200
CWE-284
Type Values Removed Values Added
Weaknesses CWE-200
CWE-284
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-200
CWE-284
Type Values Removed Values Added
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.
Title Fluent Booking < 2.1.2 - Calendar Manager+ Sensitive Information Disclosure via Attendee Export
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Jun 30, 2026, 12:56 PM
Reserved
May 26, 2026, 12:45 PM
Status
Deferred
Published
Jun 30, 2026, 7:16 AM
Modified
Jun 30, 2026, 2:14 PM