CVE-2021-24407 : Vulnerability Insights and Analysis

Jannah WordPress theme before version 5.4.5 is impacted by a Reflected Cross-Site Scripting (XSS) vulnerability due to improper sanitization of the 'query' POST parameter in its tie_ajax_search AJAX action.

Understanding CVE-2021-24407

This CVE involves a security issue in the Jannah WordPress theme that allows for a Reflected Cross-Site Scripting (XSS) attack.

What is CVE-2021-24407?

The vulnerability in the Jannah theme before 5.4.5 arises from inadequate sanitization of the 'query' POST parameter, enabling malicious actors to execute XSS attacks.

The Impact of CVE-2021-24407

The XSS vulnerability in Jannah theme versions prior to 5.4.5 can be exploited by attackers to execute arbitrary scripts in the context of a user's browser, potentially leading to account compromise or data theft.

Technical Details of CVE-2021-24407

The following technical details highlight the specifics of CVE-2021-24407.

Vulnerability Description

The vulnerability allows attackers to inject malicious scripts via the 'query' POST parameter in tie_ajax_search, posing a risk of executing unauthorized actions on the affected website.

Affected Systems and Versions

Jannah theme versions before 5.4.5 are impacted by this XSS vulnerability, with version 5.4.5 and below being vulnerable to exploitation.

Exploitation Mechanism

By sending a crafted request containing a malicious script in the 'query' parameter, an attacker can trigger the XSS payload when a user interacts with the compromised functionality.

Mitigation and Prevention

To address CVE-2021-24407 and enhance security, consider the following mitigation strategies.

Immediate Steps to Take

Upgrade Jannah theme to version 5.4.5 or newer to mitigate the XSS vulnerability.
Implement strict input validation and output encoding to prevent XSS attacks.

Long-Term Security Practices

Regularly update themes and plugins, ensuring they are from trustworthy sources.
Employ a web application firewall to detect and block potential XSS attacks.

Patching and Updates

Keep abreast of security advisories and promptly apply patches to keep your WordPress themes and plugins secure.