CVE-2021-24326 Explained : Impact and Mitigation
Learn about CVE-2021-24326, an authenticated reflected Cross-Site Scripting (XSS) vulnerability in All 404 Redirect to Homepage WordPress plugin before 1.21. Understand the impact, affected versions, and mitigation steps.
WordPress plugin 'All 404 Redirect to Homepage' before version 1.21 has been identified with an authenticated reflected Cross-Site Scripting (XSS) vulnerability. Find out more about this CVE below.
Understanding CVE-2021-24326
This section provides insights into the nature of the CVE-2021-24326 vulnerability.
What is CVE-2021-24326?
The 'All 404 Redirect to Homepage' WordPress plugin before 1.21, specifically the tab parameter of the settings page, contains a vulnerability that allows for an authenticated reflected Cross-Site Scripting (XSS) attack due to improper input sanitization.
The Impact of CVE-2021-24326
This vulnerability could enable a malicious actor to execute arbitrary script code in the context of the victim's browser, potentially leading to sensitive data exposure or unauthorized actions on the affected website.
Technical Details of CVE-2021-24326
Explore the technical aspects of CVE-2021-24326 and understand its implications.
Vulnerability Description
The vulnerability arises from unsanitized user input that is directly output in an attribute, opening the door for XSS attacks.
Affected Systems and Versions
The issue affects versions of the 'All 404 Redirect to Homepage' WordPress plugin prior to 1.21.
Exploitation Mechanism
By manipulating the tab parameter in the plugin's settings page, an attacker could inject malicious scripts, triggering XSS when processed and executed in the victim's browser.
Mitigation and Prevention
Discover the steps to mitigate the risks posed by CVE-2021-24326 and protect your WordPress website.
Immediate Steps to Take
Website administrators should update the 'All 404 Redirect to Homepage' plugin to version 1.21 or higher to address this vulnerability and prevent potential exploits.
Long-Term Security Practices
Employ input validation and proper sanitation techniques in plugin development to prevent XSS vulnerabilities and ensure the security of user inputs.
Patching and Updates
Stay informed about security patches and updates released by plugin developers to address known vulnerabilities promptly.