CVE-2022-2118 : Security Advisory and Response

The 404s WordPress plugin before version 3.5.1 is vulnerable to stored cross-site scripting attacks, enabling high privilege users to execute malicious scripts.

Understanding CVE-2022-2118

This CVE highlights a security issue in the 404s WordPress plugin that could be exploited by admin users.

What is CVE-2022-2118?

The CVE-2022-2118 vulnerability in the 404s WordPress plugin allows privileged users like admins to execute cross-site scripting attacks, even with restrictions in place.

The Impact of CVE-2022-2118

The vulnerability enables attackers to inject and execute malicious scripts through unescaped fields, potentially leading to unauthorized actions on the site.

Technical Details of CVE-2022-2118

This section dives into the specifics of the vulnerability.

Vulnerability Description

The flaw in the 404s plugin (versions prior to 3.5.1) arises from inadequate sanitization of input fields, granting admin users the ability to execute malicious scripts.

Affected Systems and Versions

404s plugin versions below 3.5.1 are impacted by this vulnerability, putting sites with the outdated plugin at risk.

Exploitation Mechanism

Admin users with access to unfiltered_html capability can leverage this vulnerability to carry out cross-site scripting attacks.

Mitigation and Prevention

Protecting your system from CVE-2022-2118 is crucial to maintaining security.

Immediate Steps to Take

Update the 404s plugin to version 3.5.1 or higher to patch the vulnerability and prevent potential attacks.

Long-Term Security Practices

Regularly update all plugins and themes on your WordPress site to address security issues promptly and minimize vulnerabilities.

Patching and Updates

Stay vigilant for security advisories and apply patches promptly to mitigate the risks associated with plugin vulnerabilities.