CVE-2023-6933 HIGH

CVE-2023-6933: Better Search Replace <= 1.4.4 - Unauthenticated PHP Object Injection

Vendor Wpengine
Product Better Search Replace
Weakness CWE-502 · Unsafe deserialization
Published February 5, 2024
Last update April 8, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

The Better Search Replace plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.4.4 via deserialization of untrusted input. This makes it possible for unauthenticated attackers to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

Key dates

02Disclosure timeline

February 5, 2024 CVE published
April 8, 2026 Record updated

Related vulnerabilities

04Related CVE