CVE-2023-33961 Explained : Impact and Mitigation
Discover the critical details of CVE-2023-33961 affecting Leantime version 2.3.21 and learn how to mitigate the high severity stored Cross-site Scripting vulnerability in this open-source project management system.
A stored Cross-site Scripting vulnerability has been identified in Leantime, a lean open-source project management system. This CVE affects versions equal to or higher than 2.3.21.
Understanding CVE-2023-33961
This section will provide insights into what CVE-2023-33961 is, its impact, technical details, and mitigation steps.
What is CVE-2023-33961?
CVE-2023-33961 is a vulnerability that allows an authenticated user with commenting privileges to inject malicious Javascript into a comment in Leantime. When a user loads the malicious comment in the browser, the injected Javascript code executes.
The Impact of CVE-2023-33961
The impact of this vulnerability is rated as HIGH with a base severity score of 8.9 out of 10. It can lead to the compromise of confidentiality, integrity, and availability of the affected system.
Technical Details of CVE-2023-33961
Let's dive deeper into the technical aspects of CVE-2023-33961 to understand the vulnerability better.
Vulnerability Description
The flaw arises from improper neutralization of input during web page generation, allowing for Cross-site Scripting (XSS) attacks.
Affected Systems and Versions
Leantime versions equal to or higher than 2.3.21 are impacted by this vulnerability.
Exploitation Mechanism
An authenticated user with commenting privileges can exploit this vulnerability by injecting malicious Javascript into a comment, which executes when loaded by a user.
Mitigation and Prevention
Explore the steps to mitigate and prevent the exploitation of CVE-2023-33961 in Leantime.
Immediate Steps to Take
Users are advised to restrict commenting privileges to trusted individuals and sanitize user inputs to prevent XSS attacks.
Long-Term Security Practices
Regular security audits, code reviews, and user input validation can help prevent similar vulnerabilities in the future.
Patching and Updates
As of the time of publication, a patch for CVE-2023-33961 in Leantime is not available. Keep monitoring official sources for security updates.