CVE-2020-36726

Ultimate Reviews < 2.1.33 - PHP Object Injection

State: Published
Severity: 9.8 Critical
Published: Jun 7, 2023
Updated: Apr 8, 2026
Reserved: Jun 6, 2023

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Wordfence

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
Ultimate Reviewsrustaurius	before 2.1.33Affected

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/db30acd7-ce51-45d9-8ff0-6ceea8237a8c?source=cve
https://blog.nintechnet.com/wordpress-ultimate-reviews-plugin-fixed-insecure-deserialization-vulnerability/
https://plugins.trac.wordpress.org/changeset/2409141

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.