CVE-2017-6556 Explained : Impact and Mitigation
Learn about CVE-2017-6556, a cross-site scripting (XSS) vulnerability in CMS Made Simple (CMSMS) 2.1.6 that allows remote authenticated users to inject malicious web script or HTML. Find out how to mitigate this security risk.
CMS Made Simple (CMSMS) 2.1.6 version contains a cross-site scripting (XSS) vulnerability that allows remote authenticated users to inject arbitrary web script or HTML.
Understanding CVE-2017-6556
What is CVE-2017-6556?
The vulnerability in CMS Made Simple (CMSMS) 2.1.6 enables remote authenticated users to insert malicious web script or HTML via a specific field.
The Impact of CVE-2017-6556
This vulnerability can be exploited by remote authenticated users to execute XSS attacks, potentially compromising the security and integrity of the affected system.
Technical Details of CVE-2017-6556
Vulnerability Description
The XSS vulnerability in CMS Made Simple (CMSMS) 2.1.6 allows remote authenticated users to inject arbitrary web script or HTML through a specific field.
Affected Systems and Versions
- Product: CMS Made Simple (CMSMS) 2.1.6
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
The vulnerability can be exploited by remote authenticated users injecting malicious web script or HTML via the "adminpage > sitesetting > General Settings > globalmetadata" field.
Mitigation and Prevention
Immediate Steps to Take
- Update CMS Made Simple (CMSMS) to a patched version that addresses the XSS vulnerability.
- Monitor and restrict access to the vulnerable field to prevent unauthorized injections.
Long-Term Security Practices
- Regularly audit and review code for vulnerabilities like XSS.
- Educate users on safe practices to prevent XSS attacks.
Patching and Updates
- Apply security patches and updates provided by CMS Made Simple (CMSMS) to mitigate the XSS vulnerability.