CVE-2023-30454 : Exploit Details and Defense Strategies

An issue was discovered in ebankIT before 7 where Document Object Model based XSS exists within the /Security/Transactions/Transactions.aspx endpoint. Users can supply their own JavaScript within the ctl100$ctl00MainContent$TransactionMainContent$accControl$hdnAccountsArray POST parameter that will be passed to an eval() function and executed upon pressing the continue button.

Understanding CVE-2023-30454

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2023-30454.

What is CVE-2023-30454?

CVE-2023-30454 is a vulnerability found in ebankIT before version 7 that allows for a Document Object Model based XSS attack via a specific endpoint.

The Impact of CVE-2023-30454

The vulnerability enables users to inject and execute their JavaScript code by manipulating a specific POST parameter, leading to potential unauthorized actions within the system.

Technical Details of CVE-2023-30454

Let's delve into the specifics of the vulnerability.

Vulnerability Description

The flaw in ebankIT allows attackers to input malicious JavaScript code that is then executed, posing a risk of unauthorized access and data manipulation.

Affected Systems and Versions

All versions of ebankIT before 7 are affected by this XSS vulnerability.

Exploitation Mechanism

By supplying JavaScript code through a specific POST parameter, threat actors can execute their malicious scripts within the system.

Mitigation and Prevention

Discover the steps to address and prevent CVE-2023-30454.

Immediate Steps to Take

Organizations are advised to implement input validation mechanisms and sanitize user inputs to mitigate the risk of XSS attacks.

Long-Term Security Practices

Regular security audits, code reviews, and security awareness training can help in identifying and preventing similar vulnerabilities in the future.

Patching and Updates

Ensure that the ebankIT software is updated to the latest version (version 7) to patch the XSS vulnerability and enhance overall system security.