CVE-2023-39919 : Exploit Details and Defense Strategies

A Stored Cross-Site Scripting (XSS) vulnerability has been identified in the wpShopGermany – Protected Shops plugin, affecting versions up to 2.0. This vulnerability, assigned the CVE ID CVE-2023-39919, has a CVSS v3.1 base score of 5.9, categorizing it as a medium severity issue.

Understanding CVE-2023-39919

This section dives into the details of the CVE-2023-39919 vulnerability, understanding its impact, technical details, and mitigation strategies.

What is CVE-2023-39919?

The CVE-2023-39919 vulnerability is an Authorization (admin+) Stored Cross-Site Scripting (XSS) security flaw found in the maennchen1.de wpShopGermany – Protected Shops plugin versions equal to or less than 2.0. This flaw could allow an attacker to inject malicious scripts into webpages viewed by other users.

The Impact of CVE-2023-39919

The impact of CVE-2023-39919 is classified under CAPEC-592 Stored XSS. With a base score of 5.9, it poses a medium risk, requiring high privileges to exploit with user interaction.

Technical Details of CVE-2023-39919

Let's explore the vulnerability description, affected systems, and the exploitation mechanism of CVE-2023-39919.

Vulnerability Description

The vulnerability allows unauthorized attackers to execute malicious scripts within the context of an admin user, potentially leading to further exploits or data theft.

Affected Systems and Versions

The wpShopGermany – Protected Shops plugin versions up to 2.0 are affected by this XSS vulnerability, exposing websites to potential attacks.

Exploitation Mechanism

To exploit CVE-2023-39919, an attacker with high privileges needs to interact with the application to execute stored cross-site scripts.

Mitigation and Prevention

Discover the immediate steps to take and long-term security practices to safeguard your systems against CVE-2023-39919.

Immediate Steps to Take

Users are advised to update their wpShopGermany – Protected Shops plugin to version 2.1 or higher to mitigate the risk of XSS attacks.

Long-Term Security Practices

Consider implementing strict input validation and output encoding practices to prevent XSS vulnerabilities in your web applications.

Patching and Updates

Regularly monitor security advisories and apply security patches promptly to address known vulnerabilities and enhance the overall security posture of your systems.