CVE-2026-119516 PUBLISHED

WordPress Radius Booking — Booking Calendar for Appointments & Services plugin <= 1.0.20 - PHP Object Injection vulnerability

Assigner: Patchstack
Reserved: 30.10.2026 Published: 06.11.2026 Updated: 06.11.2026

Deserialization of Untrusted Data vulnerability in Mamunur Rashid Radius Booking — Booking Calendar for Appointments & Services radius-booking allows Object Injection.This issue affects Radius Booking — Booking Calendar for Appointments & Services: from n/a through 1.0.20.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Mamunur Rashid
Product	Radius Booking — Booking Calendar for Appointments & Services
Versions	Default: unaffected affected from 0 to 1.0.20 (incl.)

Solutions

Update the WordPress Radius Booking — Booking Calendar for Appointments & Services plugin to the latest available version (at least 1.0.21).

Credits

hhhai | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/wordpress/plugin/radius-booking/vulnerability/wordpress-radius-booking-booking-calendar-for-appointments-services-plugin-1-0-20-php-object-injection-vulnerability?_s_id=cve

Problem Types

Deserialization of Untrusted Data CWE

Impacts

Object Injection