Deserialization Vulnerability in ThemeGoods Grand Restaurant Product
CVE-2026-23542

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Grand Restaurant
Vendor
CVE Published:
19 February 2026

What is CVE-2026-23542?

The Grand Restaurant product by ThemeGoods is susceptible to a deserialization of untrusted data vulnerability that enables object injection. This flaw can allow attackers to exploit the application by manipulating serialized data, potentially leading to unauthorized actions and data exposure. Versions affected are those released up to and including 7.0.10, highlighting the need for prompt updates and security measures to safeguard WordPress users relying on this theme.

Affected Version(s)

Grand Restaurant 0 <= 7.0.10

References

https://patchstack.com/database/Wordpress/Theme/grandrest...
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

João Pedro S Alcântara (Kinorth) | Patchstack Bug Bounty Program
.