WordPress 4.7.9 is an older version that contains known security vulnerabilities affecting thousands of websites worldwide. While this version is no longer actively maintained, approximately 13 websites are still running it, putting their data and user information at risk. In this comprehensive guide, we'll walk you through identifying if your site uses this vulnerable version and the essential steps to secure your WordPress installation.
Security vulnerabilities in outdated WordPress versions are a primary target for hackers and malicious actors. Two significant CVEs have been discovered in WordPress 4.7.9, including a high-severity arbitrary file upload vulnerability and a medium-severity cross-site request forgery (CSRF) flaw. Taking immediate action to address these issues is crucial for protecting your website, customers, and business reputation.
WordPress 4.7.9 is an outdated release of the popular WordPress content management system, originally released several years ago. This version is no longer supported by the WordPress development team, meaning it doesn't receive security updates or bug fixes. If you're running WordPress 4.7.9, your site is operating with known security weaknesses that hackers actively exploit.
Think of WordPress versions like software updates on your phone—older versions lack the latest security patches. Just as you wouldn't want to use an outdated phone operating system with known exploits, running WordPress 4.7.9 leaves your website vulnerable to attacks. Website administrators should upgrade to the latest WordPress version to ensure their site has the most current security protections and features.
2 CVEs found. The most critical are explained below.
The MasterStudy LMS Pro plugin doesn't properly check what type of files users are uploading. This means someone with basic access (even a student account) could upload dangerous files like viruses or malware to your website. The plugin trusts file uploads without verifying they're actually safe.
Impact: An attacker could upload malicious code that takes control of your website, steals customer data, displays spam content, or completely shuts down your site. Your visitors could be infected with malware when they visit your site.
↗ View on NVDThe Quiz Master Next plugin has a security flaw that allows attackers to inject harmful code into quiz questions through a technique called CSRF (Cross-Site Request Forgery). Once injected, this code runs whenever someone views that quiz question. The vulnerability exists because the plugin doesn't properly validate where requests are coming from.
Impact: Attackers could inject malicious scripts that steal visitor information, redirect users to phishing sites, or spread malware. Quiz takers could be compromised without realizing it.
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Running WordPress 4.7.9 exposes your website to serious security risks, including arbitrary file uploads and cross-site request forgery attacks. These vulnerabilities can lead to data breaches, malware infections, and loss of customer trust. The good news is that upgrading to a current WordPress version is straightforward and essential for your website's security.
Don't wait until your website is compromised. Use SiteRecipe.com's security scanning tools to identify vulnerabilities in your WordPress installation and get personalized recommendations for fixing them. Our expert platform helps you maintain a secure, fast, and reliable website. Visit SiteRecipe.com today to scan your site for free and take the first step toward complete website security.
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