CVE-2021-41156 Explained : Impact and Mitigation
Learn about CVE-2021-41156, a Reflected Cross-site Scripting (XSS) vulnerability in anuko/timetracker allowing malicious script execution. Find mitigation steps and best security practices.
An overview of the Reflected XSS vulnerability in anuko/timetracker.
Understanding CVE-2021-41156
This CVE involves a Reflected Cross-site Scripting (XSS) vulnerability in anuko/timetracker.
What is CVE-2021-41156?
The CVE-2021-41156 vulnerability in anuko/timetracker allowed the execution of malicious JavaScript in user browsers due to inadequate validation of browser_today hidden control, enabling an attacker to exploit logged-in users.
The Impact of CVE-2021-41156
- CVSS Base Score: 6.8 (Medium)
- Severity: High confidentiality impact
- Exploitation: Low privileges required, user interaction required
Technical Details of CVE-2021-41156
Details on the technical aspects of the vulnerability.
Vulnerability Description
- The vulnerability stemmed from improper validation of user input related to collecting dates from browsers.
Affected Systems and Versions
- Product: timetracker
- Vendor: anuko
- Versions Affected: < 1.19.30.5601
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
Mitigation and Prevention
Actions to mitigate and prevent the vulnerability
Immediate Steps to Take
- Upgrade to version 1.19.30.5600 or later
- Implement the ttValidDbDateFormatDate function if upgrade is not feasible
Long-Term Security Practices
- Conduct regular security audits and code reviews
- Train users on safe browsing practices
Patching and Updates
- Regularly update timetracker to the latest version for security patches