CVE-2021-46709 : Exploit Details and Defense Strategies
Learn about CVE-2021-46709, a vulnerability in phpLiteAdmin allowing XSS attacks via the newRows parameter. Discover impact, affected versions, exploitation, and mitigation steps.
phpLiteAdmin through 1.9.8.2 allows XSS via the index.php newRows parameter (aka num or number).
Understanding CVE-2021-46709
phpLiteAdmin through version 1.9.8.2 is vulnerable to XSS attacks through the newRows parameter in index.php.
What is CVE-2021-46709?
CVE-2021-46709 is a vulnerability in phpLiteAdmin that allows for cross-site scripting (XSS) attacks via the newRows parameter.
The Impact of CVE-2021-46709
The vulnerability can lead to malicious users executing scripts in the context of the victim's browser, potentially compromising sensitive data or performing unauthorized actions.
Technical Details of CVE-2021-46709
phpLiteAdmin through version 1.9.8.2 is susceptible to XSS attacks through the newRows parameter.
Vulnerability Description
The XSS vulnerability arises from inadequate sanitization of user-supplied input in the newRows parameter in the index.php file of phpLiteAdmin.
Affected Systems and Versions
- Affected Version: phpLiteAdmin versions up to 1.9.8.2
- Operating Systems: All systems running vulnerable phpLiteAdmin versions
Exploitation Mechanism
Malicious actors can exploit the XSS vulnerability by injecting script code into the newRows parameter, which will be executed when the vulnerable page is loaded by a victim's browser.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risk posed by CVE-2021-46709.
Immediate Steps to Take
- Upgrade phpLiteAdmin to version 1.9.8.3 or later that contains a patch for the XSS vulnerability.
- Implement input validation and output encoding to prevent script injection.
- Regularly monitor and audit web application logs for any signs of unauthorized activity.
Long-Term Security Practices
- Educate developers on secure coding practices to avoid introducing vulnerabilities like XSS.
- Conduct regular security assessments and penetration testing on web applications to identify and address security weaknesses.
Patching and Updates
- Stay informed about security updates for phpLiteAdmin and promptly apply patches to ensure protection against known vulnerabilities.