CVE-2020-36726

critical

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.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/db30acd7-ce51-45d9-8ff0-6ceea8237a8c?source=cve

https://plugins.trac.wordpress.org/changeset/2409141

https://blog.nintechnet.com/wordpress-ultimate-reviews-plugin-fixed-insecure-deserialization-vulnerability/

Details

Source: Mitre, NVD

Published: 2023-06-07

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.00765