CVE-2023-3387 : Vulnerability Insights and Analysis

This article provides details about CVE-2023-3387, a vulnerability found in the Lana Text to Image plugin for WordPress.

Understanding CVE-2023-3387

This section aims to explain the nature and impact of the CVE-2023-3387 vulnerability.

What is CVE-2023-3387?

CVE-2023-3387 is a Stored Cross-Site Scripting vulnerability discovered in the Lana Text to Image plugin for WordPress. The vulnerability exists in versions up to and including 1.0.0 of the plugin. It allows authenticated attackers with contributor-level permissions or higher to inject malicious web scripts via the 'lana_text_to_image' and 'lana_text_to_img' shortcodes. This can result in arbitrary web scripts being executed when users access the affected pages.

The Impact of CVE-2023-3387

The impact of CVE-2023-3387 is rated as medium severity with a base score of 6.4. The vulnerability could potentially lead to cross-site scripting (XSS) attacks, allowing attackers to execute malicious scripts in the context of the victim's browser. This can result in various malicious activities, such as stealing session tokens, sensitive data, or manipulating the content of the website.

Technical Details of CVE-2023-3387

In this section, we will delve into specific technical details related to CVE-2023-3387.

Vulnerability Description

The vulnerability stems from insufficient input sanitization and output escaping on user-supplied attributes within the 'lana_text_to_image' and 'lana_text_to_img' shortcodes of the Lana Text to Image plugin. This oversight enables attackers to inject and execute arbitrary web scripts on the compromised pages.

Affected Systems and Versions

The Lana Text to Image plugin versions up to and including 1.0.0 are affected by CVE-2023-3387. Users running these versions of the plugin are at risk of exploitation if proper mitigation measures are not implemented.

Exploitation Mechanism

Authenticated attackers with contributor-level permissions or above can exploit CVE-2023-3387 by injecting malicious web scripts using the vulnerable shortcodes provided by the Lana Text to Image plugin.

Mitigation and Prevention

To safeguard systems from potential exploits and breaches due to CVE-2023-3387, proactive security measures need to be employed.

Immediate Steps to Take

Update the Lana Text to Image plugin to a patched version that addresses the vulnerability.
Exercise caution while granting contributor-level permissions to users on WordPress sites.

Long-Term Security Practices

Regularly monitor and audit plugins for security vulnerabilities.
Educate users on best practices for secure coding and input sanitization.

Patching and Updates

Ensure that the Lana Text to Image plugin is updated to a version where the vulnerability has been patched. Stay informed about security updates and apply them promptly to mitigate risks associated with CVE-2023-3387.