CVE-2021-27914 : Exploit Details and Defense Strategies
Discover the high-severity CVE-2021-27914 affecting Mautic installations before 4.3.0, allowing admins to execute JavaScript. Learn about the impact, exploitation, and mitigation steps.
A detailed overview of CVE-2021-27914, a cross-site scripting (XSS) vulnerability in Mautic before version 4.3.0 that allows admins to inject executable JavaScript.
Understanding CVE-2021-27914
This section provides insights into the vulnerability, its impact, technical details, and mitigation strategies.
What is CVE-2021-27914?
CVE-2021-27914 is a high-severity XSS vulnerability in Mautic's installer component prior to version 4.3.0, enabling malicious admins to inject and execute JavaScript code.
The Impact of CVE-2021-27914
The vulnerability's high impact severity stems from its potential for unauthorized code execution, compromising confidentiality, integrity, and availability of the affected system.
Technical Details of CVE-2021-27914
Explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
A cross-site scripting (XSS) flaw in Mautic's installer component before version 4.3.0 allows admin users to insert and execute malicious JavaScript code.
Affected Systems and Versions
Mautic versions lower than 4.3.0 are vulnerable to this XSS exploit, potentially impacting users running outdated installations.
Exploitation Mechanism
The vulnerability can be exploited by malicious administrators injecting crafted JavaScript code through the affected installer component, leading to unauthorized code execution.
Mitigation and Prevention
Learn about immediate steps to secure your system, implement long-term security practices, and apply necessary patches and updates.
Immediate Steps to Take
Admins should upgrade Mautic to version 4.3.0 or newer, sanitize user inputs to prevent XSS attacks, and monitor for any suspicious activities on the platform.
Long-Term Security Practices
Incorporate secure coding practices, conduct regular security audits, educate users on phishing prevention, and stay informed about potential vulnerabilities.
Patching and Updates
Stay vigilant for security advisories from Mautic, apply patches promptly, and ensure timely updates to maintain a secure environment.