CVE-2024-13900 MEDIUM

CVE-2024-13900: Head, Footer and Post Injections <= 3.3.0 - Authenticated (Administrator+) PHP Code Injection in Multisite Environments

Vendor Satollo
Product Head, Footer and Post Injections
Weakness CWE-94 · Code injection
Published February 21, 2025
Last update April 8, 2026

CVSS base score

4.1/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The Head, Footer and Post Injections plugin for WordPress is vulnerable to PHP Code Injection in all versions up to, and including, 3.3.0. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject PHP Code in multisite environments.

Explanation of Vulnerability in Simple Terms

02Summary

Head, Footer and Post Injections through version 3.3.0 contains a code injection vulnerability in how it processes injected content. An authenticated administrator with high privileges can inject malicious code that executes within the site. The vulnerability requires deliberate action by a high-privilege user and has limited impact on confidentiality, integrity, and availability.

What an attacker can do

03Attacker Capabilities

Inject and execute arbitrary code on the site if they have administrator-level access.

Potential impact on your site

04Site Impact

A malicious or compromised admin account can inject code affecting site content, data, or functionality.

Conditions required to exploit

05Prerequisites

Attacker must have high-privilege administrator credentials and network access to the site.

Key dates

06Disclosure timeline

February 21, 2025 CVE published
April 8, 2026 Record updated

Related vulnerabilities

08Related CVE