The Grand Restaurant theme for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 7.0.10 via deserialization of untrusted input. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.
CVE-2026-23542 is a high severity with CVSS 8.1 Vulnerability issue affecting the Theme Grand Restaurant WordPress. It affects Versions up to 7.0.10 and is fixed in 7.0.11.
CVE-2026-23542 is tracked for the Theme Grand Restaurant WordPress as high severity with CVSS 8.1. The affected range is Versions up to 7.0.10. Update Grand Restaurant WordPress to 7.0.11 or newer where that version is compatible with the site.
| Software Type | Theme |
|---|---|
| Software Slug |
grandrestaurant
View on wordpress.org
|
| CVE | CVE-2026-23542 |
| Patched Versions |
7.0.11
|
| Affected Versions |
Versions up to 7.0.10
|
These internal links group the same WordPress theme by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Grand Restaurant WordPress <= 7.0 - Unauthenticated PHP Object Injection via Path Traversal
Grand Restaurant WordPress <= 7.0 - Unauthenticated PHP Object Injection
Grand Restaurant WordPress <= 7.0 - Missing Authorization to Unauthenticated Arbitrary Options Deletion
Grand Restaurant < 7.0.9 - Reflected Cross-Site Scripting
Grand Restaurant WordPress <= 7.0 - Missing Authorization
Grand Restaurant WordPress <= 7.0 - Cross-Site Request Forgery
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