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Vulnerability record · CVE-2023-5340 · published 20 November 2023

CVE-2023-5340: Fivestarplugins five star restaurant menu injection vulnerability

FFivestarplugins · Five Star Restaurant Menu

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.

9.8 CVSS 3.1 Critical EPSS 1.2% · top 31.9% CWE-74 · Injection
9.8CVSS 3.1 base score
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

Track CVE-2023-5340 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-29045Fivestarplugins five star restaurant menu deserialization of untrusted data vulnerabilityThe food-and-drink-menu plugin through 2.2.0 for WordPress allows remote attackers to execute arbitrary code because of an unserialize operation on t…EPSS 31%8.8CVE-2023-37985Fivestarplugins five star restaurant menu cross-site request forgery vulnerabilityCross-Site Request Forgery (CSRF) vulnerability in FiveStarPlugins Restaurant Menu and Food Ordering plugin <= 2.4.6 versions.EPSS 0.26%6.1CVE-2023-34017Fivestarplugins five star restaurant menu cross-site scripting vulnerabilityUnauth. Reflected Cross-Site Scripting (XSS) vulnerability in FiveStarPlugins Five Star Restaurant Reservations plugin <= 2.6.7 versions.EPSS 0.41%5.4CVE-2024-24838Fivestarplugins five star restaurant menu cross-site scripting vulnerabilityImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Five Star Plugins Five Star Restaurant Reviews …EPSS 0.31%4.3CVE-2024-5459Fivestarplugins five star restaurant menu missing authorization vulnerabilityThe Restaurant Menu and Food Ordering plugin for WordPress is vulnerable to unauthorized creation of data due to a missing capability check on 'add_s…EPSS 0.37%10.0CVE-2025-20337Cisco ISE API input validation flaw allows unauthenticated root RCECisco ISE and ISE-PIC fail to properly validate user-supplied input in a specific API, letting an unauthenticated remote attacker execute arbitrary c…KEVEPSS 68%analysed10.0CVE-2025-20281Cisco ISE API unauthenticated remote code executionCisco ISE and ISE-PIC fail to properly validate user-supplied input in a specific API, allowing a crafted request to reach the underlying operating s…KEVEPSS 98%analysed7.2CVE-2022-43769Hitachi Vantara Pentaho BA Server Spring Template InjectionHitachi Vantara Pentaho Business Analytics Server before 9.4.0.1 and 9.3.0.2, including 8.3.x, allows certain web services to set property values con…KEVEPSS 98%analysed

Source: NIST National Vulnerability Database (record CVE-2023-5340), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.