Easy WP SMTP by SendLayer – WordPress SMTP and Email Log Plugin Vulnerability – Exposure of Sensitive Information via the UI – CVE-2024-3073 | WordPress Plugin Vulnerability Report

Plugin Name:Easy WP SMTP by SendLayer – WordPress SMTP and Email Log Plugin

Key Information:

  • Software Type: Plugin
  • Software Slug: easy-wp-smtp
  • Software Status: Active
  • Software Author: smub
  • Software Downloads: 9,862,613
  • Active Installs: 600,000
  • Last Updated: July 2, 2024
  • Patched Versions: 2.3.1
  • Affected Versions: <= 2.3.0

Vulnerability Details:

  • Name: Easy WP SMTP by SendLayer <= 2.3.0
  • Title: Exposure of Sensitive Information via the UI
  • Type: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
  • CVE: CVE-2024-3073
  • CVSS Score: 2.7
  • Publicly Published: June 12, 2024
  • Researcher: Finsand
  • Description: The Easy WP SMTP by SendLayer – WordPress SMTP and Email Log Plugin plugin for WordPress is vulnerable to information exposure in all versions up to, and including, 2.3.0. This is due to the plugin providing the SMTP password in the SMTP Password field when viewing the settings. This makes it possible for authenticated attackers, with administrative-level access and above, to view the SMTP password for the supplied server. Although this would not be useful for attackers in most cases, if an administrator account becomes compromised this could be useful information to an attacker in a limited environment.

Summary:

The Easy WP SMTP by SendLayer plugin for WordPress has a vulnerability in versions up to and including 2.3.0 that allows authenticated attackers with administrative-level access and above to view the SMTP password for the supplied server. This vulnerability has been patched in version 2.3.1.

Detailed Overview:

The vulnerability in the Easy WP SMTP by SendLayer plugin, identified by researcher Finsand, involves the exposure of sensitive information via the UI. The plugin displays the SMTP password in the settings, allowing authenticated attackers with administrative access to view it. While this may not be directly useful to attackers in most scenarios, it poses a risk if an administrator account is compromised. The vulnerability has been addressed in version 2.3.1, which removes this exposure.

Advice for Users:

  • Immediate Action: Users are strongly encouraged to update to the patched version 2.3.1 immediately to mitigate the vulnerability.
  • Check for Signs of Vulnerability: Users should review their website's settings to ensure that no sensitive information is exposed and monitor for unauthorized access.
  • Alternate Plugins: While a patch is available, users might consider using alternate plugins that offer similar functionality as a precaution.
  • Stay Updated: Always ensure that your plugins are updated to the latest versions to avoid vulnerabilities.

Conclusion:

The prompt response from the plugin developers to patch this vulnerability underscores the importance of timely updates. Users are advised to ensure that they are running version 2.3.1 or later to secure their WordPress installations.

References:

Detailed Report: 

In the fast-paced world of website management, keeping your WordPress site secure is crucial. Regular updates to your plugins are essential to maintaining this security. Recently, a vulnerability was discovered in the Easy WP SMTP by SendLayer plugin, which many users rely on for managing email delivery and logging. This vulnerability, identified as CVE-2024-3073, poses a significant risk to websites using versions up to and including 2.3.0.

This vulnerability allows authenticated attackers with administrative-level access to view the SMTP password through the plugin's settings interface. While this information may not be immediately useful to most attackers, it could be exploited if an administrator account is compromised, leading to further security issues. Addressing this flaw is vital to ensure your website's security and protect sensitive information.

For website owners, especially small business owners who may not have the time or resources to constantly monitor for such vulnerabilities, this underscores the importance of staying updated and vigilant. This article will provide a detailed overview of the vulnerability, its potential impacts, and actionable steps to safeguard your site. Keeping your plugins updated is not just a recommendation—it's a necessity for protecting your business and maintaining user trust.

Summary

The Easy WP SMTP by SendLayer plugin for WordPress has a vulnerability in versions up to and including 2.3.0 that allows authenticated attackers with administrative-level access and above to view the SMTP password for the supplied server. This vulnerability has been patched in version 2.3.1.

Detailed Overview

The vulnerability in the Easy WP SMTP by SendLayer plugin, identified by researcher Finsand, involves the exposure of sensitive information via the UI. The plugin displays the SMTP password in the settings, allowing authenticated attackers with administrative access to view it. While this may not be directly useful to attackers in most scenarios, it poses a risk if an administrator account is compromised. The vulnerability has been addressed in version 2.3.1, which removes this exposure.

Risks and Potential Impacts

This vulnerability can lead to unauthorized actions being performed by attackers who gain access to the SMTP password. Such exposure can result in the attacker manipulating email configurations or accessing sensitive information. If an administrator account is compromised, the attacker can further exploit this information, leading to broader security issues and potentially damaging the website's integrity and user trust.

Previous Vulnerabilities

Since April 14, 2017, there have been 7 previous vulnerabilities identified in the Easy WP SMTP by SendLayer plugin. This history underscores the importance of regularly updating plugins and staying informed about potential security issues.

Conclusion

The prompt response from the plugin developers to patch this vulnerability highlights the critical importance of timely updates. For small business owners with WordPress websites, staying on top of security vulnerabilities can be challenging, but it is essential for protecting your site and your customers' data. Regularly updating your plugins and being aware of security advisories can significantly reduce your risk.

If you find it difficult to keep up with these updates, consider employing security plugins or services that can automate these tasks and provide peace of mind. By staying vigilant and proactive, you can ensure the security and reliability of your website, safeguarding your business and customer trust.

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.

Easy WP SMTP by SendLayer – WordPress SMTP and Email Log Plugin Vulnerability – Exposure of Sensitive Information via the UI – CVE-2024-3073 | WordPress Plugin Vulnerability Report FAQs

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