CVE-2021-36913 : Security Advisory and Response
Discover the impact of CVE-2021-36913, a vulnerability in the Qube One Redirection for Contact Form 7 plugin allowing unauthenticated attackers to change options and inject scripts into WordPress websites. Learn how to mitigate this risk.
A detailed overview of the Unauthenticated Options Change and Content Injection vulnerability in the Redirection for Contact Form 7 WordPress plugin.
Understanding CVE-2021-36913
CVE-2021-36913 pertains to a severe vulnerability found in Qube One Redirection for Contact Form 7 plugin, allowing unauthenticated attackers to modify options and insert scripts into the footer HTML.
What is CVE-2021-36913?
The CVE-2021-36913 vulnerability in the Redirection for Contact Form 7 plugin version <= 2.4.0 permits attackers to alter plugin options and execute script injection into the footer HTML of WordPress websites, thus compromising the integrity of the site.
The Impact of CVE-2021-36913
This vulnerability can result in unauthorized modifications to a site's functionalities and content injection, potentially leading to defacing, unauthorized actions, or data theft.
Technical Details of CVE-2021-36913
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability allows unauthenticated adversaries to change plugin options and inject malevolent scripts into the footer HTML, creating a security risk for WordPress sites running the affected plugin version.
Affected Systems and Versions
The issue affects the Qube One Redirection for Contact Form 7 plugin version <= 2.4.0. Sites utilizing this specific plugin version are at risk of exploitation.
Exploitation Mechanism
Exploiting this vulnerability does not necessitate privileges or user interaction, making it a severe threat. Attackers can manipulate the plugin options and execute script injections remotely over a network.
Mitigation and Prevention
Learn how to mitigate the CVE-2021-36913 vulnerability in the plugin.
Immediate Steps to Take
Website administrators are advised to update the Redirection for Contact Form 7 plugin to version 2.6.0 or higher to secure their sites from this vulnerability.
Long-Term Security Practices
Regularly monitor for plugin updates, audit third-party extensions, and employ security scanning tools to protect against potential threats, ensuring the ongoing security of your WordPress site.
Patching and Updates
Staying up-to-date with plugin versions and promptly applying security patches can safeguard your site from known vulnerabilities.