CVE-2017-6511 Explained : Impact and Mitigation
Learn about CVE-2017-6511, a vulnerability in andrzuk/FineCMS that allows for a reflected XSS attack. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A detailed overview of CVE-2017-6511, a vulnerability in andrzuk/FineCMS.
Understanding CVE-2017-6511
What is CVE-2017-6511?
Prior to March 6, 2017, andrzuk/FineCMS is susceptible to a reflected XSS attack in index.php. This vulnerability arises from the lack of validation for the action parameter in application/classes/application.php.
The Impact of CVE-2017-6511
This vulnerability could allow an attacker to execute malicious scripts in the context of a user's browser, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2017-6511
Vulnerability Description
andrzuk/FineCMS before 2017-03-06 is vulnerable to a reflected XSS in index.php due to missing validation of the action parameter in application/classes/application.php.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: n/a
Exploitation Mechanism
The absence of proper validation for the action parameter in application/classes/application.php allows attackers to inject and execute malicious scripts through a reflected XSS attack.
Mitigation and Prevention
Immediate Steps to Take
- Update to the latest version of andrzuk/FineCMS that includes a patch for this vulnerability.
- Implement input validation and output encoding to mitigate XSS risks.
Long-Term Security Practices
- Regularly monitor and audit your web application for security vulnerabilities.
- Educate developers on secure coding practices to prevent similar issues in the future.
Patching and Updates
Apply security patches promptly to address known vulnerabilities and enhance the overall security posture of your system.