CVE-2024-33641 MEDIUM

CVE-2024-33641: WordPress Custom field finder plugin <= 0.3 - PHP Object Injection vulnerability

Vendor Team Yoast

Product Custom field finder

Weakness CWE-502 · Unsafe deserialization

Published April 29, 2024

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

5.4/10

Attack vector Network

Attack complexity High

Privileges required None

User interaction None

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in Team Yoast Custom field finder.This issue affects Custom field finder: from n/a through 0.3.

Explanation of Vulnerability in Simple Terms

02Summary

Custom field finder through version 0.3 deserializes untrusted data without validation, allowing an attacker to inject malicious serialized objects. If the site has gadget chains available, this can lead to code execution or data manipulation. The attack requires network access but no authentication or user interaction.

What an attacker can do

03Attacker Capabilities

Inject malicious serialized data to execute code or modify data on the site.

Potential impact on your site

04Site Impact

An unauthenticated attacker could run code on your site or alter stored data.

Conditions required to exploit

05Prerequisites

Network access to the vulnerable component; no authentication required.

Key dates

06Disclosure timeline

April 29, 2024 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2024-33641 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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