A Cross-Site Scripting (XSS) vulnerability has been identified in the WordPress Simple Blog Card plugin. This vulnerability could allow an attacker to inject malicious scripts into the affected website, potentially compromising the security of the website and its visitors.

This plugin vulnerability, identified and responsibly reported by an undisclosed source, introduces the potential for security breaches.

The vulnerability is an XSS vulnerability that occurs in the simple-blog-card.php file. The vulnerability allows an attacker to inject malicious scripts by sending a specially crafted request. The malicious scripts will then be executed by visitors to the website.


With a CVSS 3.1 score of 6.5, this vulnerability is categorized as having medium severity. While not the most critical, its potential impact on your website’s security cannot be ignored.

Affected Versions:

The vulnerability affects Simple Blog Card plugin versions prior to 1.31.


An attacker who successfully exploits this vulnerability could inject malicious scripts into the affected website. These scripts could then be executed by visitors to the website, potentially leading to a variety of security risks, such as:

  • Stealing cookies or session tokens
  • Hijacking user accounts
  • Conducting phishing attacks
  • Displaying malicious content


To protect the website from potential exploitation and ensure robust security, it is vital to take the following actions:

  1. Update Immediately: Update the Simple Blog Card Plugin to at least version 1.31, or the latest available version. This swift update integrates essential patches that address the XSS vulnerability and enhances the overall security of the plugin.
  2. Security Audits: Conduct routine security audits of the WordPress website to proactively identify and rectify vulnerabilities. Regular audits help maintain a secure online environment.