Download Monitor Vulnerability – Authenticated (Admin+) SQL Injection | WordPress Plugin Vulnerability Report

Plugin Name: Download Monitor

Key Information:

  • Software Type: Plugin
  • Software Slug: download-monitor
  • Software Status: Active
  • Software Author: wpchill
  • Software Downloads: 4,783,527
  • Active Installs: 100,000
  • Last Updated: January 8, 2024
  • Patched Versions: 4.9.5
  • Affected Versions: < 4.9.5

Vulnerability Details:

  • Name: Download Monitor <= 4.9.4
  • Title: Authenticated (Admin+) SQL Injection
  • Type: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE: NA
  • CVSS Score: 7.2
  • Publicly Published: January 8, 2024
  • Researcher: NA
  • Description: The Download Monitor plugin for WordPress, in versions up to 4.9.4, is vulnerable to SQL Injection via the 'limit' parameter. This issue arises from insufficient escaping on user-supplied parameters and inadequate preparation in the existing SQL query. Authenticated attackers with administrator-level access can exploit this vulnerability to append additional SQL queries, potentially extracting sensitive information from the database.


The Download Monitor plugin for WordPress has a critical vulnerability in versions up to and including 4.9.4, which allows authenticated attackers with administrator-level access to perform SQL Injection attacks. This vulnerability has been addressed and patched in version 4.9.5.

Detailed Overview:

This SQL Injection vulnerability presents a severe risk, as it could allow attackers with administrative access to manipulate database queries. This manipulation can lead to unauthorized access to sensitive data, data corruption, or even complete takeover of the WordPress site. The exploit involves the 'limit' parameter, where an attacker could inject malicious SQL code due to inadequate security measures in place.

Advice for Users:

  • Immediate Action: Users should update their Download Monitor plugin to the patched version 4.9.5 without delay.
  • Check for Signs of Vulnerability: Regularly audit your site's database and logs for any unusual activities or unauthorized data access.
  • Alternate Plugins: Although a patched version is available, users might consider exploring alternative plugins that offer similar functionalities as an additional precaution.
  • Stay Updated: Keeping all WordPress plugins up-to-date is essential in protecting against known vulnerabilities.


The timely response from wpchill in patching this SQL Injection vulnerability in the Download Monitor plugin emphasizes the importance of regular software updates as a cornerstone of web security. WordPress site owners, especially those managing significant data through this plugin, should ensure they are using version 4.9.5 or later to maintain the security and integrity of their online presence.



In the ever-evolving landscape of digital security, the recent discovery of a critical vulnerability in the Download Monitor plugin for WordPress serves as a crucial reminder of the importance of vigilant website maintenance. With the rise of cyber threats, even the most robust websites are vulnerable to exploits like SQL Injection, which can compromise sensitive data and undermine the integrity of an online presence. This blog post examines the vulnerability in the Download Monitor plugin, its implications for website security, and the necessary steps for remediation.

About the Plugin:

Download Monitor, a widely-used WordPress plugin by wpchill, has been an essential tool for managing file downloads. With over 4.7 million downloads and 100,000 active installations, its popularity is undeniable. Regularly updated, the last version before the identified vulnerability was 4.9.4, with the issue being addressed in version 4.9.5.

Vulnerability Details:

The vulnerability in question, identified as Authenticated (Admin+) SQL Injection in versions up to 4.9.4, presented a significant security threat. It allowed attackers with administrative access to manipulate SQL queries through the 'limit' parameter, leading to potential unauthorized data access or extraction. This SQL Injection vulnerability had a CVSS score of 7.2, indicating its high severity.

Risks and Potential Impacts:

SQL Injection vulnerabilities like this one are particularly dangerous because they can lead to data breaches, loss of confidential information, and in severe cases, the complete takeover of the website. For small business owners, such a breach can mean not just loss of data but also loss of customer trust and potential legal ramifications.

Remediation Steps:

To address this vulnerability, it is crucial to update the Download Monitor plugin to version 4.9.5. Users should also regularly review their site's database and logs for any unusual activities. While a patched version is available, considering alternative plugins or additional security measures can provide further protection.

Overview of Previous Vulnerabilities:

Since its inception in 2008, Download Monitor has encountered 20 previous vulnerabilities. This history emphasizes the importance of regular updates and vigilance in monitoring for new security threats.


The swift action taken by wpchill to patch this SQL Injection vulnerability in the Download Monitor plugin underscores the critical importance of staying up-to-date with software updates. For small business owners managing WordPress sites, staying on top of these updates, despite time constraints, is essential for protecting their digital assets. Implementing automated update features or seeking assistance from managed WordPress hosting services can be effective strategies to ensure ongoing security without overwhelming the already busy schedules of business owners. In the digital era, the security of your website is as important as its content or design – a principle that every site owner should actively embrace.

Staying Secure

Staying on top of WordPress security can feel overwhelming for small business owners without dedicated IT staff. At Your WP Guy, we exist to shoulder that burden for you. Our WordPress experts can fully audit, secure, maintain and support your site - so you can focus on growing your business with peace of mind.

Don't tackle security risks alone. Let us help you assess any impact from this vulnerability, update your plugins, and implement ongoing maintenance to avoid future threats. We treat your website like it's our own - because we know how critical it is for reaching your customers.

Get in touch for a free consultation today on making WordPress security stress-free. Call 678-995-5169 or book a call here. Our knowledgeable team is ready to help you safeguard your online presence.

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