CVE-2023-52207 CRITICAL

CVE-2023-52207: WordPress HTML5 MP3 Player with Playlist Free Plugin <= 3.0.0 is vulnerable to PHP Object Injection

Vendor Svnlabs Softwares
Product HTML5 MP3 Player with Playlist Free
Weakness CWE-502 · Unsafe deserialization
Published January 8, 2024
Last update April 28, 2026

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Deserialization of Untrusted Data vulnerability in SVNLabs Softwares HTML5 MP3 Player with Playlist Free.This issue affects HTML5 MP3 Player with Playlist Free: from n/a through 3.0.0.

Explanation of Vulnerability in Simple Terms

02Summary

The HTML5 MP3 Player with Playlist Free plugin through version 3.0.0 deserializes untrusted data without validation. An authenticated administrator can craft a malicious serialized object to execute arbitrary PHP code on the site. This requires admin-level access and affects the entire site, not just the plugin.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the site with full site privileges.

Potential impact on your site

04Site Impact

A compromised admin account can take complete control of your site, steal data, or inject malware.

Conditions required to exploit

05Prerequisites

Attacker must have administrator-level access to the WordPress site.

Key dates

06Disclosure timeline

January 8, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE