CVE-2021-24317 : Vulnerability Insights and Analysis

The Listeo WordPress theme version prior to 1.6.11 is vulnerable to multiple Cross-Site Scripting (XSS) and Cross-Frame Scripting (XFS) issues due to improper sanitization of parameters in certain pages.

Understanding CVE-2021-24317

This CVE details the security vulnerabilities present in the Listeo WordPress theme versions below 1.6.11.

What is CVE-2021-24317?

The vulnerability in the Listeo theme allows attackers to execute malicious scripts through XSS and XFS attacks by exploiting unsanitized parameters in specific pages.

The Impact of CVE-2021-24317

Unsanitized parameters can lead to unauthorized access, data theft, defacement, and other malicious activities on websites using the vulnerable versions of Listeo.

Technical Details of CVE-2021-24317

This section covers the technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from inadequate sanitization of parameters in the Search, Booking Confirmation, and Personal Message pages, opening avenues for XSS and XFS attacks.

Affected Systems and Versions

Listeo theme versions prior to 1.6.11 are affected by these security issues.

Exploitation Mechanism

Attackers can exploit the vulnerability by injecting malicious scripts through unsanitized parameters, potentially compromising user data and website integrity.

Mitigation and Prevention

Protecting your website from CVE-2021-24317 is crucial. Here are some recommended steps:

Immediate Steps to Take

Update Listeo theme to version 1.6.11 or the latest secure release.
Conduct a security audit to check for any signs of compromise.

Long-Term Security Practices

Implement input validation and output encoding to prevent XSS attacks.
Regularly monitor and update themes and plugins to patch vulnerabilities.

Patching and Updates

Stay informed about security patches and updates for the Listeo theme to ensure ongoing protection against evolving threats.