CVE-2020-36726 CRITICAL

CVE-2020-36726: Ultimate Reviews < 2.1.33 - PHP Object Injection

Vendor Rustaurius
Product Ultimate Reviews
Weakness CWE-502 · Unsafe deserialization
Published June 7, 2023
Last update April 8, 2026
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 7, 2023 CVE published
April 8, 2026 Record updated