CVE-2021-42119 : Exploit Details and Defense Strategies
Discover the impact and mitigation of CVE-2021-42119, a high-severity Stored XSS vulnerability affecting Business-DNA Solutions GmbH's TopEase versions <= 7.1.27. Learn how to prevent account takeover.
Persistent Cross Site Scripting in Web Applications on Business-DNA Solutions GmbH's TopEase Platform Version <= 7.1.27 allows for account takeover.
Understanding CVE-2021-42119
Stored XSS vulnerability in the Search Function in TopEase.
What is CVE-2021-42119?
The vulnerability in TopEase allows authenticated users with Object Modification privileges to inject arbitrary HTML and JavaScript via the Search Functionality.
The Impact of CVE-2021-42119
- Attack Vector: Network
- Attack Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Privileges Required: Low
- User Interaction: Required
- Base Score: 7.3 (High Severity)
Technical Details of CVE-2021-42119
Stored XSS exploit on TopEase platform.
Vulnerability Description
Arbitrary code injection in object attributes via the Search Functionality.
Affected Systems and Versions
- Product: TopEase
- Vendor: Business-DNA Solutions GmbH
- Versions Affected: <= 7.1.27
Exploitation Mechanism
Injection of HTML and JavaScript to alter functionality and steal cookies.
Mitigation and Prevention
Actions to mitigate the TopEase vulnerability.
Immediate Steps to Take
- Update TopEase to a secure version.
- Restrict access to the Search Functionality.
- Monitor and filter input for suspicious code.
Long-Term Security Practices
- Educate users on safe browsing habits.
- Regular security training for developers and administrators.
Patching and Updates
- Follow vendor recommendations for patching.
- Implement regular security updates and vulnerability scans.