CVE-2019-11198 : Security Advisory and Response
Learn about CVE-2019-11198 affecting Sitecore CMS 9.0.1 and earlier versions, allowing remote attackers to execute cross-site scripting attacks. Find mitigation steps and patching recommendations.
Sitecore CMS 9.0.1 and previous versions have multiple cross-site scripting (XSS) vulnerabilities that can be exploited by remote attackers to inject arbitrary web scripts or HTML.
Understanding CVE-2019-11198
What is CVE-2019-11198?
Multiple XSS vulnerabilities exist in Sitecore CMS 9.0.1 and earlier versions, allowing attackers to insert malicious scripts or HTML code through various modules and fields.
The Impact of CVE-2019-11198
These vulnerabilities can lead to unauthorized access, data theft, and potential manipulation of content on affected websites.
Technical Details of CVE-2019-11198
Vulnerability Description
The vulnerabilities in Sitecore CMS 9.0.1 and earlier versions enable remote attackers to execute XSS attacks through specific modules and fields, compromising website security.
Affected Systems and Versions
- Sitecore CMS 9.0.1 and previous versions
Exploitation Mechanism
Attackers can exploit these vulnerabilities by injecting malicious scripts or HTML code through modules like List Manager Dashboard, Campaign Creator, and various fields within the CMS.
Mitigation and Prevention
Immediate Steps to Take
- Update Sitecore CMS to the latest patched version
- Implement input validation mechanisms to sanitize user inputs
- Regularly monitor and audit website content for suspicious scripts
Long-Term Security Practices
- Conduct regular security assessments and penetration testing
- Educate developers and administrators on secure coding practices
Patching and Updates
- Apply security patches provided by Sitecore promptly to address known vulnerabilities