TI-2026-85783 Aliases CVE-2026-119516 GHSA-g7w9-6f5v-35q7

PHP object injection in Radius Booking WordPress plugin

MEDIUM 49CWE-502Published 2026-11-06 · Updated 2026-11-07

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

The Radius Booking WordPress plugin by Mamunur Rashid is affected through 1.0.20. Deserialization of untrusted data (CWE-502) lets crafted input create PHP objects, which is PHP object injection. An unauthenticated remote attacker can exploit this without user interaction, with high impact to confidentiality, integrity and availability.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00386 32nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Mamunur Rashid	Radius Booking — Booking Calendar for Appointments & Services	up to 1.0.20	—	No fix listed	CNA

Radius Booking — Booking Calendar for Appointments & Services VendorMamunur Rashid Affected up to 1.0.20 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Radius Booking - Booking Calendar for Appointments & Services.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Timeline

2026-11-06 Threatist record created from CVE-2026-119516
2026-11-06 Alias added: GHSA-g7w9-6f5v-35q7
2026-11-07 CISA SSVC decision points changed

References

Other 1

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

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Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences