CVE-2022-4473 : Security Advisory and Response

Widget Shortcode <= 0.3.5 - Contributor+ Stored XSS vulnerability allows users, even with low roles like contributor, to perform Stored Cross-Site Scripting attacks.

Understanding CVE-2022-4473

This CVE identifies a vulnerability in the Widget Shortcode WordPress plugin that enables Stored Cross-Site Scripting attacks.

What is CVE-2022-4473?

The Widget Shortcode WordPress plugin through version 0.3.5 lacks proper validation and escaping of certain shortcode attributes, making it susceptible to Stored XSS attacks by users with privileges as low as contributor.

The Impact of CVE-2022-4473

This vulnerability could be exploited by threat actors to execute malicious scripts on a target website, potentially compromising high privilege users such as administrators.

Technical Details of CVE-2022-4473

Learn more about the specifics of this vulnerability.

Vulnerability Description

The Widget Shortcode WordPress plugin version 0.3.5 and below fails to adequately validate and escape specific shortcode attributes, leaving room for Stored Cross-Site Scripting attacks.

Affected Systems and Versions

Widget Shortcode plugin version 0.3.5 and below are affected by this vulnerability, impacting websites that have this plugin installed.

Exploitation Mechanism

By leveraging this vulnerability, attackers with contributor-level access can inject and execute malicious scripts within the context of the target website, posing a serious security risk.

Mitigation and Prevention

Discover how to secure your systems against CVE-2022-4473.

Immediate Steps to Take

Web administrators should promptly update the Widget Shortcode plugin to a patched version to mitigate the risk of exploitation.

Long-Term Security Practices

Implement regular security audits and train users on best practices to prevent XSS attacks and other security threats.

Patching and Updates

Stay informed about security patches and updates released by plugin developers to address vulnerabilities like CVE-2022-4473.