CVE-2023-34027 HIGH

CVE-2023-34027: WordPress Recently Viewed Products Plugin <= 1.0.0 is vulnerable to PHP Object Injection

Vendor Rajnish Arora
Product Recently Viewed Products
Weakness CWE-502 · Unsafe deserialization
Published December 19, 2023
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

8.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in Rajnish Arora Recently Viewed Products.This issue affects Recently Viewed Products: from n/a through 1.0.0.

Explanation of Vulnerability in Simple Terms

02Summary

The Recently Viewed Products component contains a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary code on affected sites. The vulnerability exists in how the component processes untrusted serialized data without proper validation. An attacker can exploit this remotely without user interaction to compromise site integrity, access sensitive data, or disrupt service.

What an attacker can do

03Attacker Capabilities

Execute arbitrary code on the site, read sensitive data, or disrupt service availability.

Potential impact on your site

04Site Impact

Attackers can run malicious code, steal data, or take the site offline without needing valid credentials.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

December 19, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-49770 WordPress WP Travel Engine plugin <= 6.7.12 - PHP Object Injection vulnerability CVE-2026-7654 Admin Columns <= 7.0.18 - Authenticated (Contributor+) PHP Object Injection to Remote Code Execution via Custom Field Meta Value CVE-2026-59521 WordPress Real Testimonials plugin <= 3.1.15 - PHP Object Injection vulnerability CVE-2026-39555 WordPress Askka theme <= 1.3.1 - PHP Object Injection vulnerability CVE-2026-49104 WordPress Integration for Keap/infusionsoft and Contact Form 7, WPForms, Elementor, Formidable, Ninja Forms plugin <= 1.2.1 - PHP Object Injection vulnerability