Ultimate Reviews < 2.1.33 - PHP Object Injection
Priority MEDIUM 52CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.
Summary
The Ultimate Reviews plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 2.1.32 via deserialization of untrusted input in several vulnerable functions. This allows unauthenticated attackers to inject a PHP Object. No POP chain is present in the vulnerable plugin.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01553 75th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Ultimate Reviews (rustaurius): 2.1.33
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Rustaurius | Ultimate Reviews | before 2.1.33 | 2.1.33 | Patch available | CNA |
- Ultimate Reviews VendorRustaurius Affected before 2.1.33 Fixed in 2.1.33 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:etoilewebdesign:ultimate_reviews:*:*:*:*:*:wordpress:*:* | up to 2.1.32 | Vulnerable | Etoile Web Design |
- cpe:2.3:a:etoilewebdesign:ultimate_reviews:*:*:*:*:*:wordpress:*:* Versions up to 2.1.32 Vulnerable ·Etoile Web Design
Remediation
- Fix · CNA Ultimate Reviews (rustaurius) Fixed in 2.1.33
Timeline
- 2026-10-02 Threatist record created from CVE-2020-36726
- 2026-10-03 Alias added: GHSA-p7jf-6m2v-3ffq
References
More Rustaurius vulnerabilities
- TI-2025-01743 Front-End-Only-Users <= 3.2.32 - Unauthenticated Arbitrary File Upload CVSS 3.1CRITICAL 9.8
- TI-2025-41653 WordPress Five Star Restaurant Reservations plugin <= 2.7.4 - Insecure Direct Object References (IDOR) vulnerability CVSS 3.1HIGH 8.6
- TI-2026-21847 WordPress Five Star Business Profile and Schema plugin <= 2.3.19 - Arbitrary Code Execution vulnerability CVSS 3.1CRITICAL 9.1
- TI-2025-30077 WordPress Front End Users plugin <= 3.2.35 - Broken Access Control vulnerability CVSS 3.1CRITICAL 9.8
- TI-2025-06360 Missing authorization in Rustaurius Ultimate WP Mail CVSS 3.1HIGH 8.8
- TI-2024-07051 Front End Users <= 3.2.28 - Authenticated (Contributor+) Time-Based SQL Injection CVSS 3.1HIGH 8.8
Sources
- CVE-2020-36726 · CVE Program
- CVE-2020-36726 · NVD
- FIRST EPSS
- GHSA-p7jf-6m2v-3ffq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences