CVE-2026-39764

Unauthenticated SQL Injection in Radius Booking — Booking Calendar for Appointments & Services…

Risk score: 65/100
CVSS: 9.3 v3.1
Exploit chance (30 days): 0.3%
Published: 6 Oct 2026

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What to know

What it is: Unauthenticated SQL Injection in Radius Booking — Booking Calendar for Appointments & Services <= 1.0.19 versions.
Affected: See advisory
Fix: Apply the vendor's security update; see the linked advisory.
Exploitation: No known exploitation

Why it is Amber

CVSS 9.3 critical
Remotely exploitable without logging in

References

https://patchstack.com/database/wordpress/plugin/radius-booking/vulnerability/wordpress-radius-booking-booking-calendar-for-appointments-services-plugin-1-0-19-sql-injection-vulnerability?_s_id=cve

Original description

Unauthenticated SQL Injection in Radius Booking — Booking Calendar for Appointments & Services <= 1.0.19 versions.

Last activity 6 Oct 2026. Patch Forecast updates every hour.