CVE-2021-24327 : Vulnerability Insights and Analysis

A detailed overview of CVE-2021-24327, describing the impact, technical details, and mitigation steps.

Understanding CVE-2021-24327

This section provides insight into the vulnerability identified as CVE-2021-24327 in the SEO Redirection Plugin.

What is CVE-2021-24327?

The SEO Redirection Plugin – 301 Redirect Manager before version 6.4 had a vulnerability that allowed high privilege users to set XSS payloads due to lack of sanitation in redirect fields.

The Impact of CVE-2021-24327

The impact of this CVE lies in the ability of authenticated users to inject malicious scripts through the plugin, potentially leading to cross-site scripting attacks.

Technical Details of CVE-2021-24327

Explore the technical aspects of the CVE-2021-24327 vulnerability in this section.

Vulnerability Description

The SEO Redirection Plugin did not properly sanitize input in the Redirect From and Redirect To fields, enabling attackers to execute XSS attacks.

Affected Systems and Versions

Users of the SEO Redirection Plugin version less than 6.4 are susceptible to this vulnerability.

Exploitation Mechanism

The exploitation involved malicious users, even with unfiltered_html disabled, inserting XSS payloads through the plugin's redirect functionality.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-24327 and prevent similar vulnerabilities in the future.

Immediate Steps to Take

Immediately update the SEO Redirection Plugin to version 6.4 or higher to patch the XSS vulnerability.

Long-Term Security Practices

Implement regular security audits and educate users on secure practices to prevent XSS attacks.

Patching and Updates

Stay vigilant with plugin updates and install patches promptly to safeguard against known vulnerabilities in WordPress plugins.