Object Injection Vulnerability in Mamunur Rashid Radius Booking Plugin
CVE-2026-119516

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Radius Booking — Booking Calendar For Appointments & Services
Vendor
CVE Published:
6 November 2026

What is CVE-2026-119516?

A deserialization of untrusted data vulnerability exists in the Radius Booking — Booking Calendar for Appointments & Services plugin, potentially allowing for object injection. This weakness can be exploited by sending crafted data to the application, leading to unexpected behaviors and possible remote code execution. The issue affects versions prior to 1.0.20, highlighting the importance of updating to the latest version to mitigate this risk.

Affected Version(s)

Radius Booking — Booking Calendar for Appointments &amp; Services 0 <= 1.0.20

References

https://patchstack.com/database/wordpress/plugin/radius-b...
vdb-entry

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

hhhai | Patchstack Bug Bounty Program
.