CVE-2021-24415 : What You Need to Know
Discover how the CVE-2021-24415 in Polo Video Gallery <= 1.2 plugin enables contributors to execute Cross-Site Scripting attacks. Learn about the impact, affected versions, and mitigation steps.
A stored Cross-Site Scripting (XSS) vulnerability in Polo Video Gallery WordPress plugin allows contributors to inject malicious code via shortcode parameters, impacting versions up to 1.2.
Understanding CVE-2021-24415
This CVE discloses a security issue in the Polo Video Gallery WordPress plugin that enables contributors to execute XSS attacks through specially crafted shortcodes.
What is CVE-2021-24415?
The vulnerability in the Polo Video Gallery plugin up to version 1.2 fails to properly sanitize shortcode parameters, enabling users with contributor roles to insert malicious XSS payloads.
The Impact of CVE-2021-24415
Attackers can exploit this flaw to inject malicious scripts into pages running the vulnerable plugin, potentially leading to unauthorized access, data manipulation, or phishing attacks.
Technical Details of CVE-2021-24415
This section covers specific technical aspects of the CVE.
Vulnerability Description
The vulnerability arises from a lack of input validation in the shortcode parameters of the Polo Video Gallery plugin, allowing contributors to embed harmful XSS payloads.
Affected Systems and Versions
The CVE affects Polo Video Gallery WordPress plugin versions up to 1.2.
Exploitation Mechanism
By leveraging the insufficient input sanitization in the shortcode parameters, malicious contributors can execute XSS attacks on affected websites.
Mitigation and Prevention
To secure systems from CVE-2021-24415 and similar vulnerabilities, prompt action is essential.
Immediate Steps to Take
Website administrators should deactivate or update the Polo Video Gallery plugin to a patched version to prevent exploitation of this XSS vulnerability.
Long-Term Security Practices
Implement strict input validation mechanisms in plugins and regularly monitor for security updates to prevent XSS and other injection attacks.
Patching and Updates
Developers should release patches with proper input validation to address vulnerabilities promptly and enhance the security posture of their plugins.