CVE-2023-23941 Explained : Impact and Mitigation

This CVE-2023-23941 focuses on a vulnerability in SwagPayPal where payments were not sent to PayPal correctly, potentially leading to an integrity impact with a high severity level.

Understanding CVE-2023-23941

This vulnerability in SwagPayPal, a PayPal integration for shopware/platform, can result in discrepancies with the amount and item list sent to PayPal when JavaScript-based PayPal checkout methods are used.

What is CVE-2023-23941?

CVE-2023-23941, also known as "SwagPayPal payment not sent to PayPal correctly," occurs when the payment information sent to PayPal from SwagPayPal does not match the details in the created order. This issue can lead to potential discrepancies and pose a risk to the integrity of the transaction.

The Impact of CVE-2023-23941

The impact of CVE-2023-23941 is rated as high severity, with a base score of 7.5. The vulnerability could result in a scenario where incorrect payment details are relayed to PayPal, potentially leading to financial discrepancies and compromised transaction integrity.

Technical Details of CVE-2023-23941

The vulnerability is categorized under CWE-345: Insufficient Verification of Data Authenticity and has been fixed in version 5.4.4 of SwagPayPal.

Vulnerability Description

The issue arises when the JavaScript-based PayPal checkout methods are utilized in SwagPayPal, causing discrepancies in the payment details transmitted to PayPal compared to the order created within the system.

Affected Systems and Versions

Only versions of SwagPayPal earlier than 5.4.4 are affected by this vulnerability. Specifically, versions prior to 5.4.4 may experience the payment discrepancy issue when using certain JavaScript-based PayPal checkout methods.

Exploitation Mechanism

The exploitation of this vulnerability can occur when utilizing PayPal integration with SwagPayPal and engaging specific JavaScript-based PayPal checkout methods. Attackers may exploit this inconsistency in payment details to manipulate transactions or gather unauthorized information.

Mitigation and Prevention

To address CVE-2023-23941 and prevent potential exploitation, immediate actions and long-term security practices can be implemented.

Immediate Steps to Take

Users are advised to update SwagPayPal to version 5.4.4 or later to mitigate the vulnerability. Additionally, disabling the affected PayPal checkout methods or utilizing the Security Plugin in version 1.0.21 or higher can serve as temporary workarounds.

Long-Term Security Practices

Implementing routine security audits, monitoring payment transactions for anomalies, and staying informed about security patches and updates can help maintain the integrity of payment processes and prevent similar vulnerabilities in the future.

Patching and Updates

Regularly monitoring and applying software updates and security patches provided by SwagPayPal is crucial to addressing known vulnerabilities and strengthening the overall security posture of the payment integration platform.