CVE-2024-52410 CRITICAL

CVE-2024-52410: WordPress Referrer Detector plugin <= 4.2.1.0 - PHP Object Injection vulnerability

Vendor Phoenixheart

Product Referrer Detector

Weakness CWE-502 · Unsafe deserialization

Published November 16, 2024

Last update May 11, 2026

View on NVD All CVEs

CVSS base score

9.8/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in Phoenixheart Referrer Detector referrer-detector allows Object Injection.This issue affects Referrer Detector: from n/a through <= 4.2.1.0.

Explanation of Vulnerability in Simple Terms

02Summary

Referrer Detector versions 4.2.1.0 and earlier contain a deserialization vulnerability that allows unauthenticated attackers to run arbitrary code on the site without user interaction. The vulnerability stems from unsafe handling of serialized data, enabling remote code execution through network requests. All users should update immediately.

What an attacker can do

03Attacker Capabilities

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

Potential impact on your site

04Site Impact

Complete site compromise: attackers can steal data, modify content, install malware, or disable the site.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

November 16, 2024 CVE published

May 11, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2024-52410 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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