CVE-2024-39636 HIGH

CVE-2024-39636: WordPress Better Find and Replace plugin <= 1.6.1 - PHP Object Injection vulnerability

Vendor Codesolz

Product Better Find and Replace

Weakness CWE-502 · Unsafe deserialization

Published August 1, 2024

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

8.3/10

Attack vector Network

Attack complexity High

Privileges required None

User interaction Required

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in CodeSolz Better Find and Replace.This issue affects Better Find and Replace: from n/a through 1.6.1.

Explanation of Vulnerability in Simple Terms

02Summary

Better Find and Replace versions up to 1.6.1 contain a deserialization vulnerability that allows attackers to execute arbitrary code on the site. An attacker can craft a malicious serialized object that, when processed by the plugin, runs their own PHP code. The attack requires user interaction—a site administrator must be tricked into performing an action that triggers the deserialization.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the site and take full control of it.

Potential impact on your site

04Site Impact

Complete site compromise if an admin is socially engineered into interacting with attacker-controlled data.

Conditions required to exploit

05Prerequisites

Network access and user interaction; a site admin must trigger the vulnerable code path.

Key dates

06Disclosure timeline

August 1, 2024 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2024-39636 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/502.html AskarLabs — CWE-502 write-up Deserialization of Untrusted Data

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