Newsletter Vulnerability– Send Awesome Emails from WordPress – Cross-Site Request Forgery |WordPress Plugin Vulnerability Report

Plugin Name: Newsletter – Send Awesome Emails from WordPress

Key Information:

  • Software Type: Plugin
  • Software Slug: newsletter
  • Software Status: Active
  • Software Author: satollo
  • Software Downloads: 23,000,399
  • Active Installs: 300,000
  • Last Updated: January 10, 2024
  • Patched Versions: 8.0.7
  • Affected Versions: <= 8.0.6

Vulnerability Details:

  • Name: Newsletter <= 8.0.6
  • Title: Cross-Site Request Forgery (CSRF)
  • Type: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
  • CVE: NA
  • CVSS Score: 4.7
  • Publicly Published: January 10, 2024
  • Researcher: NA
  • Description: The vulnerability in the Newsletter plugin arises from missing or incorrect nonce validation in the main/welcome.php file. This issue makes it possible for unauthenticated attackers to manipulate the plugin's settings and send test emails through forged requests, provided they can deceive a site administrator into performing an action like clicking a link.


The Newsletter plugin, a widely used tool for email campaigns in WordPress, has a vulnerability in versions up to 8.0.6 that exposes it to Cross-Site Request Forgery (CSRF) attacks. This vulnerability could allow attackers to alter the plugin’s settings and misuse its email functionality. The issue has been addressed in the updated version 8.0.7.

Detailed Overview:

This CSRF vulnerability poses a significant risk as it can be exploited to manipulate plugin settings without the administrator's knowledge. While it requires user interaction, typically in the form of clicking a deceptive link, its impact includes the potential misuse of the plugin's email capabilities, possibly affecting the site's reputation and communication channels.

Advice for Users:

  • Immediate Action: Update to the patched version 8.0.7 immediately.
  • Check for Signs of Vulnerability: Regularly review your site and the plugin’s settings for any unauthorized changes.
  • Alternate Plugins: Consider using alternative email plugins with similar functionalities as an added precaution.
  • Stay Updated: Consistently update all WordPress plugins to their latest versions to mitigate vulnerability risks.


The resolution of this CSRF vulnerability in the Newsletter plugin underlines the importance of timely software updates in web security. For WordPress site owners, especially those using the platform for email marketing and communication, ensuring that all plugins are up to date is crucial. This incident serves as a reminder of the ongoing need for vigilance in cybersecurity practices to protect online assets and maintain the trust of website users.



In the dynamic and ever-evolving digital world, maintaining the security of WordPress websites has become a paramount concern, especially for small business owners and individuals. The recent discovery of a Cross-Site Request Forgery (CSRF) vulnerability in the popular "Newsletter – Send Awesome Emails from WordPress" plugin serves as a crucial reminder of the ongoing necessity for regular software updates and vigilant cybersecurity practices. This vulnerability, identified in versions up to 8.0.6, not only poses significant risks to website integrity but also highlights the potential dangers of outdated software.

About the Plugin:

Newsletter, a widely used WordPress plugin designed for efficient email marketing, boasts over 23 million downloads and 300,000 active installs. Authored by satollo, it has become an essential tool for many WordPress users, facilitating robust email campaign management.


The CSRF vulnerability in the Newsletter plugin versions up to and including 8.0.6 allows potential exploitation by unauthenticated attackers. This flaw could enable unauthorized modification of plugin settings and misuse of its email functionalities. Fortunately, this vulnerability has been effectively addressed in the updated version 8.0.7.

Detailed Overview:

The CSRF vulnerability poses significant risks, such as unauthorized access and data manipulation. Exploitation requires deceiving a site administrator into clicking a deceptive link, which can lead to the alteration of plugin settings without their knowledge. This vulnerability is particularly concerning for sites that rely heavily on email communication, as it could affect the site's reputation and the security of its communications.

Previous Vulnerabilities:

The Newsletter plugin has experienced 10 previous vulnerabilities since May 14, 2013, highlighting the plugin's history of security issues and the importance of staying current with updates.


The resolution of the CSRF vulnerability in the Newsletter plugin underlines the importance of timely software updates in safeguarding web security. For small business owners managing WordPress sites, this incident serves as a vital reminder to remain proactive in updating plugins and maintaining robust cybersecurity measures. Regular updates, coupled with vigilant monitoring, are key strategies in protecting digital assets and preserving the integrity and trust of online platforms.

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.

Newsletter Vulnerability– Send Awesome Emails from WordPress – Cross-Site Request Forgery |WordPress Plugin Vulnerability Report FAQs

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