PatchTheCVECVE-2023-5340: The Five Star Restaurant Menu and Food Ordering WordPress plugin before 2.4.11 unserializes user input via an
CVE-2023-5340 is a critical-severity flaw (CVSS 9.8) affecting five star restaurant menu. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Five Star Restaurant Menu and Food Ordering WordPress plugin before 2.4.11 unserializes user input via an AJAX action available to unauthenticated users, allowing them to perform PHP Object Injection when a suitable gadget is present on the blog.
Why this priority
- Critical severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.2% (top 31%) |
| CISA exploited list | No |
| Weakness | CWE-74 |
| Published | 2023-11-20 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-5340?
five star restaurant menu: upgrade to 2.4.11. Exact commands for each OS are on this page.
Is CVE-2023-5340 being exploited?
CVE-2023-5340 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-5340 affect?
CVE-2023-5340 affects five star restaurant menu. Severity is critical (CVSS 9.8). The Five Star Restaurant Menu and Food Ordering WordPress plugin before 2.4.11 unserializes user input via an AJAX action available to unauthenticated users, allowing them to perform PHP Object Injection when a suitable gadget is present on
How urgent is CVE-2023-5340?
Priority 62/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action
Software pages
WordPress vulnerabilities · PHP vulnerabilities
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