CVE-2020-16192 : Vulnerability Insights and Analysis
Learn about CVE-2020-16192, a vulnerability in LimeSurvey 4.3.2 allowing reflected XSS attacks. Find out how to mitigate the risk and prevent unauthorized script execution.
LimeSurvey 4.3.2 allows reflected XSS due to a lack of parameter validation in application/controllers/LSBaseController.php.
Understanding CVE-2020-16192
What is CVE-2020-16192?
CVE-2020-16192 is a vulnerability in LimeSurvey 4.3.2 that enables reflected cross-site scripting (XSS) attacks.
The Impact of CVE-2020-16192
This vulnerability allows attackers to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2020-16192
Vulnerability Description
LimeSurvey 4.3.2 is susceptible to reflected XSS as the LSBaseController.php file does not adequately validate input parameters.
Affected Systems and Versions
- Product: LimeSurvey
- Version: 4.3.2
Exploitation Mechanism
Attackers can craft malicious URLs containing scripts that, when clicked by users, execute in their browsers within the LimeSurvey application context.
Mitigation and Prevention
Immediate Steps to Take
- Apply the patch provided by LimeSurvey to address the XSS vulnerability.
- Educate users about the risks of clicking on untrusted links.
Long-Term Security Practices
- Implement input validation mechanisms to sanitize user inputs and prevent XSS attacks.
- Regularly update and monitor the security of LimeSurvey installations.
- Conduct security audits to identify and remediate potential vulnerabilities.
Patching and Updates
Ensure that LimeSurvey is kept up to date with the latest security patches and versions.