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HomeTopics 1Application SecurityWordPress Pop-Up Peril: 3,000+ Sites Compromised Due to Plugin Flaw

WordPress Pop-Up Peril: 3,000+ Sites Compromised Due to Plugin Flaw


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WordPress website owners beware! A recent vulnerability in a popular plugin has exposed thousands of websites to potential compromise. Let’s delve into the details of this exploit, the impact it had, and how you can safeguard your website from similar threats.

The Flaw and the Fallout: Exploiting the Popup Builder Plugin

The culprit behind this security breach is a vulnerability (CVE-2023-6000) discovered in the Popup Builder plugin for WordPress. This flaw allowed attackers to inject malicious code into existing popups on vulnerable websites. This malicious code could then be used to:

  • Steal visitor data: Capture sensitive information like login credentials, credit card details, or contact forms submitted by website visitors.
  • Redirect visitors: Divert website traffic to malicious websites designed to steal data or distribute malware.
  • Disrupt website functionality: Inject code that disrupts website functionality or displays unwanted content to visitors.

According to security researchers, attackers exploited this vulnerability to compromise over 3,300 WordPress websites. This incident highlights the importance of maintaining website security and keeping plugins up-to-date.

10 Steps to Fortify Your WordPress Website

Here are 10 crucial steps to safeguard your WordPress website from similar vulnerabilities and potential attacks:

  1. Update Plugins Regularly: Always prioritize updating your WordPress core, themes, and plugins as soon as updates become available. Security patches are often included in these updates.
  2. Choose Reputable Plugins: Only install plugins from trusted developers with good reputations and a history of releasing security updates promptly.
  3. Limit Installed Plugins: Avoid installing and activating unnecessary plugins, as each plugin adds complexity and potential vulnerabilities to your website.
  4. Strong Passwords: Utilize strong and unique passwords for your WordPress administrator account and any other website accounts. Consider using a password manager to generate and manage complex passwords.
  5. Regular Backups: Maintain regular backups of your website’s files and database. This ensures you can quickly restore your website in case of an attack.
  6. Vulnerability Scanning: Consider using security scanning tools to identify potential vulnerabilities in your website’s core, themes, and plugins.
  7. Two-Factor Authentication (2FA): Enable two-factor authentication for your WordPress administrator account to add an extra layer of security beyond passwords.
  8. Limit User Roles: Assign user roles with the least privileges necessary for users to perform their tasks. This minimizes the potential damage if a user account is compromised.
  9. Secure Hosting Provider: Choose a reputable hosting provider that prioritizes website security and offers features like malware scanning and automatic backups.
  10. Stay Informed: Stay updated on the latest WordPress security news and best practices to maintain a proactive defense posture.


The recent WordPress plugin vulnerability serves as a stark reminder of the importance of website security. By implementing these recommendations, WordPress website owners can significantly reduce the risk of falling victim to cyberattacks and protect their valuable website data and visitor information. Remember, vigilance and proactive security measures are essential in today’s ever-evolving digital landscape.

Ouaissou DEMBELE
Ouaissou DEMBELEhttps://cybercory.com
Ouaissou DEMBELE is an accomplished cybersecurity professional and the Editor-In-Chief of cybercory.com. He has over 10 years of experience in the field, with a particular focus on Ethical Hacking, Data Security & GRC. Currently, Ouaissou serves as the Co-founder & Chief Information Security Officer (CISO) at Saintynet, a leading provider of IT solutions and services. In this role, he is responsible for managing the company's cybersecurity strategy, ensuring compliance with relevant regulations, and identifying and mitigating potential threats, as well as helping the company customers for better & long term cybersecurity strategy. Prior to his work at Saintynet, Ouaissou held various positions in the IT industry, including as a consultant. He has also served as a speaker and trainer at industry conferences and events, sharing his expertise and insights with fellow professionals. Ouaissou holds a number of certifications in cybersecurity, including the Cisco Certified Network Professional - Security (CCNP Security) and the Certified Ethical Hacker (CEH), ITIL. With his wealth of experience and knowledge, Ouaissou is a valuable member of the cybercory team and a trusted advisor to clients seeking to enhance their cybersecurity posture.


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