CVE-2021-29313 : Security Advisory and Response

A Cross Site Scripting (XSS) vulnerability has been identified in SeaCMS 12.6 through specific parameters in /admin_video.php.

Understanding CVE-2021-29313

This section will provide insights into the nature and impact of CVE-2021-29313.

What is CVE-2021-29313?

CVE-2021-29313 is a Cross Site Scripting (XSS) vulnerability found in SeaCMS 12.6, particularly in the v_company and v_tvs parameters within /admin_video.php.

The Impact of CVE-2021-29313

The vulnerability allows attackers to execute malicious scripts in the context of an unsuspecting user's browser, potentially leading to sensitive data theft or further system compromise.

Technical Details of CVE-2021-29313

Explore the technical aspects of CVE-2021-29313 for a better understanding.

Vulnerability Description

The XSS flaw in SeaCMS 12.6 occurs due to improper validation of user-supplied input in certain parameters, enabling malicious script execution.

Affected Systems and Versions

SeaCMS 12.6 installations are affected by this vulnerability, with the specific parameters (v_company and v_tvs) being the entry points for exploitation.

Exploitation Mechanism

Attackers can exploit CVE-2021-29313 by injecting crafted script code into the vulnerable parameters, leading to script execution in the user's browser.

Mitigation and Prevention

Learn about the necessary steps to mitigate the risks posed by CVE-2021-29313.

Immediate Steps to Take

Immediately restrict access to the vulnerable parameters and consider implementing input validation mechanisms to prevent malicious script injection.

Long-Term Security Practices

Regularly update SeaCMS to the latest version, conduct security audits, and educate users on safe browsing practices to enhance overall cybersecurity.

Patching and Updates

Stay informed about security patches released by SeaCMS developers and apply updates promptly to address the CVE-2021-29313 vulnerability.