Five Star Restaurant Menu <= 2.2.0 — Unauthenticated Arbitrary Object Deserialization leading to Remote Code Execution
CVE-2020-29045Published · Updated Action summary
Affected: <2.2.1Update to 2.2.1 or newer
All remediation steps- Severity
- Critical9.8
- CVSS
- 9.8CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Weakness
- CWE-502 PHP Object Injection
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Five Star Restaurant Menu and Food Ordering food-and-drink-menu
- Affected< 2.2.1
- Patched in2.2.1
Update to 2.2.1 or newer.
You are affected if you run < 2.2.1. Version 2.2.1 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Five Star Restaurant Menu and Food Ordering.
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 2.2.1, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Five Star Restaurant Menu and Food Ordering to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Nick Blundell.
The food-and-drink-menu plugin through 2.2.0 for WordPress allows remote attackers to execute arbitrary code because of an unserialize operation on the fdm_cart cookie in load_cart_from_cookie in includes/class-cart-manager.php.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Five Star Restaurant Menu and Food Ordering
All 6| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Missing Authorization ≤2.5.2Update to 2.5.3 | CVE-2026-54835 | |
| Medium4.3 | Missing Authorization to Menu Creation ≤2.4.16Update to 2.4.17 | CVE-2024-5459 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting ≤2.4.14Update to 2.4.15 | CVE-2024-29089 | |
| Critical9.8 | Unauthenticated PHP Object Injection ≤2.4.10Update to 2.4.11 | CVE-2023-5340 | |
| Medium4.3 | Cross-Site Request Forgery via maybe_duplicate_item <2.4.7Update to 2.4.7 | CVE-2023-37985 |
- Medium5.3Missing Authorization
≤2.5.2Update to 2.5.3
- Medium4.3Missing Authorization to Menu Creation
≤2.4.16Update to 2.4.17
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤2.4.14Update to 2.4.15
- Critical9.8Unauthenticated PHP Object Injection
≤2.4.10Update to 2.4.11
- Medium4.3Cross-Site Request Forgery via maybe_duplicate_item
<2.4.7Update to 2.4.7
Same weakness (PHP Object Injection)
All PHP Object Injection| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity critical, CVSS 9.8
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.
