CVE-2021-27330 : What You Need to Know

Triconsole Datepicker Calendar <3.77 is affected by a cross-site scripting (XSS) vulnerability in calendar_form.php. This vulnerability allows attackers to read active authentication cookies, which can lead to further malicious activities such as accessing browser history, directory listings, and file contents.

Understanding CVE-2021-27330

This section will cover the details related to CVE-2021-27330.

What is CVE-2021-27330?

CVE-2021-27330 is a cross-site scripting (XSS) vulnerability found in Triconsole Datepicker Calendar <3.77, specifically in calendar_form.php. The exploit enables threat actors to extract active authentication cookies for unauthorized access.

The Impact of CVE-2021-27330

The impact of CVE-2021-27330 includes unauthorized access to sensitive information like browser history, directory listings, and file contents through the exploitation of a cross-site scripting vulnerability in Triconsole Datepicker Calendar.

Technical Details of CVE-2021-27330

Explore the technical aspects of CVE-2021-27330 in this section.

Vulnerability Description

Triconsole Datepicker Calendar <3.77 contains a security flaw that allows attackers to perform cross-site scripting (XSS) attacks by reading active authentication cookies.

Affected Systems and Versions

All versions of Triconsole Datepicker Calendar prior to <3.77 are impacted by this vulnerability.

Exploitation Mechanism

The exploitation of this vulnerability involves injecting malicious scripts into the calendar_form.php file, enabling threat actors to access active authentication cookies.

Mitigation and Prevention

Learn how to mitigate and prevent exploitation of CVE-2021-27330.

Immediate Steps to Take

Users should update Triconsole Datepicker Calendar to version 3.77 or above to mitigate the XSS vulnerability. It is also recommended to clear browser cookies and cache after the update.

Long-Term Security Practices

Implement secure coding practices, input validation mechanisms, and security testing to prevent cross-site scripting vulnerabilities in web applications.

Patching and Updates

Regularly update software and apply patches to fix known security issues and enhance the overall security posture of the system.