CVE-2023-39002 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in OPNsense Community and Business Editions. Learn about the impact, mitigation, and prevention methods.
A cross-site scripting vulnerability in the act parameter of system_certmanager.php in OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allows attackers to execute arbitrary web scripts or HTML via a crafted payload.
Understanding CVE-2023-39002
This section provides detailed insights into the CVE-2023-39002 vulnerability.
What is CVE-2023-39002?
CVE-2023-39002 is a cross-site scripting (XSS) vulnerability found in OPNsense Community Edition and Business Edition, allowing adversaries to execute arbitrary web scripts or HTML by manipulating the act parameter of system_certmanager.php.
The Impact of CVE-2023-39002
The exploitation of this vulnerability can lead to unauthorized execution of malicious scripts, potentially compromising user data and system integrity.
Technical Details of CVE-2023-39002
Delve deeper into the technical aspects of CVE-2023-39002.
Vulnerability Description
The XSS flaw in the act parameter of system_certmanager.php enables threat actors to inject and execute harmful scripts targeting OPNsense installations.
Affected Systems and Versions
OPNsense Community Edition versions before 23.7 and Business Edition versions prior to 23.4.2 are affected by CVE-2023-39002.
Exploitation Mechanism
Attackers exploit this vulnerability by sending a specially crafted payload to the act parameter, triggering the execution of malicious scripts on vulnerable systems.
Mitigation and Prevention
Learn how to mitigate the risks posed by CVE-2023-39002 and prevent potential exploits.
Immediate Steps to Take
Users are advised to update their OPNsense installations to versions 23.7 for Community Edition and 23.4.2 for Business Edition to patch the XSS vulnerability.
Long-Term Security Practices
Implement strict input validation and output encoding practices to prevent XSS attacks and enhance overall web application security.
Patching and Updates
Regularly check for security updates and apply patches promptly to address known vulnerabilities and keep systems secure.