CVE-2023-48300 : What You Need to Know

The

Embed Privacy

plugin for WordPress that prevents the loading of embedded external content is vulnerable to Stored Cross-Site Scripting via

embed_privacy_opt_out

shortcode in versions up to, and including, 1.8.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Version 1.8.1 contains a patch for this issue.

Understanding CVE-2023-48300

This section provides detailed insights into the CVE-2023-48300 vulnerability.

What is CVE-2023-48300?

The CVE-2023-48300 vulnerability involves Stored Cross-Site Scripting in the

Embed Privacy

plugin for WordPress.

The Impact of CVE-2023-48300

The vulnerability allows authenticated attackers to inject malicious scripts, leading to potential execution on user-accessed pages.

Technical Details of CVE-2023-48300

Explore the technical aspects surrounding CVE-2023-48300.

Vulnerability Description

The vulnerability is a result of inadequate input sanitization and output escaping in the

embed_privacy_opt_out

shortcode.

Affected Systems and Versions

The affected product is

embed-privacy

by epiphyt, specifically versions prior to 1.8.1.

Exploitation Mechanism

Attackers with contributor-level permissions or higher can exploit this vulnerability by injecting malicious scripts.

Mitigation and Prevention

Discover the necessary steps to mitigate and prevent exploitation of CVE-2023-48300.

Immediate Steps to Take

Users should update to version 1.8.1 of the

Embed Privacy

plugin to patch the vulnerability.

Long-Term Security Practices

Ensure regular security audits and practices to identify and address vulnerabilities promptly.

Patching and Updates

Stay informed about security patches and updates for all plugins and software installed on your WordPress site.