CVE-2019-11869 : Exploit Details and Defense Strategies
Learn about CVE-2019-11869 affecting Yuzo Related Posts plugin version 5.12.94 for WordPress. Understand the XSS vulnerability, its impact, and mitigation steps.
The Yuzo Related Posts plugin version 5.12.94 for WordPress has a Cross-Site Scripting (XSS) vulnerability due to a flawed assumption in the is_admin() function. This vulnerability allows unauthorized attackers to inject malicious code into the plugin settings.
Understanding CVE-2019-11869
This CVE entry describes a security issue in the Yuzo Related Posts plugin for WordPress.
What is CVE-2019-11869?
The Yuzo Related Posts plugin version 5.12.94 for WordPress contains a Cross-Site Scripting (XSS) vulnerability. The flaw arises from an incorrect assumption in the is_admin() function, allowing attackers to inject malicious code into the plugin settings.
The Impact of CVE-2019-11869
The vulnerability can be exploited by unauthenticated attackers to inject malicious code into the plugin settings, potentially leading to unauthorized actions on the affected WordPress site.
Technical Details of CVE-2019-11869
This section provides technical details about the vulnerability.
Vulnerability Description
The Yuzo Related Posts plugin 5.12.94 for WordPress has an XSS vulnerability due to the incorrect assumption that is_admin() verifies requests from admin users, allowing attackers to inject malicious code.
Affected Systems and Versions
- Product: Yuzo Related Posts plugin
- Vendor: N/A
- Version: 5.12.94
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious code into the plugin settings, particularly the yuzo_related_post_css_and_style setting.
Mitigation and Prevention
Protect your system from CVE-2019-11869 with these mitigation strategies.
Immediate Steps to Take
- Disable or remove the Yuzo Related Posts plugin version 5.12.94 from your WordPress installation.
- Regularly monitor for security updates and patches for WordPress plugins.
Long-Term Security Practices
- Implement a web application firewall (WAF) to filter and block malicious traffic.
- Educate users on best practices to prevent XSS attacks.
Patching and Updates
- Update to the latest version of the Yuzo Related Posts plugin once a patch is released.