CVE-2021-34653 : Security Advisory and Response
Discover the security vulnerability in WP Fountain WordPress plugin version 1.5.9 and below, allowing attackers to execute arbitrary scripts. Learn how to mitigate CVE-2021-34653.
The WP Fountain WordPress plugin version 1.5.9 and below is prone to Reflected Cross-Site Scripting (XSS) due to improper sanitization of user-supplied data, potentially allowing malicious actors to execute arbitrary scripts on a victim's browser.
Understanding CVE-2021-34653
This CVE identifies a security vulnerability in the WP Fountain WordPress plugin that exposes websites to XSS attacks.
What is CVE-2021-34653?
The vulnerability in the WP Fountain WordPress plugin stems from utilizing $_SERVER['PHP_SELF'] in the ~/wp-fountain.php file, enabling attackers to insert malicious web scripts, affecting versions up to and including 1.5.9.
The Impact of CVE-2021-34653
Exploitation of this vulnerability could lead to unauthorized script execution on the client-side, potentially compromising user data and impacting the security and integrity of the WordPress site.
Technical Details of CVE-2021-34653
This section provides insights into the specifics of the vulnerability.
Vulnerability Description
The issue arises from improper handling of user input, allowing malicious scripts to be executed in the context of the victim's browser session.
Affected Systems and Versions
- Product: WP Fountain
- Vendor: WP Fountain
- Versions Affected: <= 1.5.9
Exploitation Mechanism
The vulnerability is exploited by injecting crafted scripts through the $_SERVER['PHP_SELF'] variable, triggering XSS attacks on sites utilizing the vulnerable WP Fountain plugin.
Mitigation and Prevention
Protecting your WordPress site from CVE-2021-34653 is crucial to maintaining its security.
Immediate Steps to Take
- Uninstall the WP Fountain plugin immediately to eliminate the vulnerability from your WordPress site.
Long-Term Security Practices
- Regularly update all plugins and themes to patch known vulnerabilities and enhance overall security.
Patching and Updates
Stay informed about security advisories and updates from trusted sources like Wordfence to address potential threats and secure your WordPress site effectively.