CVE-2023-49149 : Exploit Details and Defense Strategies

This article provides an in-depth analysis of CVE-2023-49149, a Cross Site Scripting vulnerability found in the Currency Converter Calculator WordPress plugin.

Understanding CVE-2023-49149

CVE-2023-49149 is a security vulnerability that allows for Stored XSS in the Currency Converter Calculator WordPress plugin, affecting versions up to 1.3.1.

What is CVE-2023-49149?

The CVE-2023-49149 vulnerability involves improper neutralization of input during web page generation, leading to Stored XSS attacks within the Currency Converter Calculator plugin.

The Impact of CVE-2023-49149

The impact of this vulnerability, identified as CAPEC-592 Stored XSS, has a CVSS v3.1 Base Score of 6.5 (Medium Severity). It allows attackers to execute malicious scripts in the context of a user's session.

Technical Details of CVE-2023-49149

This section delves into the specifics of the vulnerability, affected systems, and how it can be exploited.

Vulnerability Description

The vulnerability in CurrencyRate.Today Currency Converter Calculator plugin up to version 1.3.1 allows for Stored XSS attacks, originating from improper input validation during web page generation.

Affected Systems and Versions

The Currency Converter Calculator plugin versions from 'n/a' to 1.3.1 are vulnerable to this exploit.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the web page, which gets executed in the context of a victim's browser upon viewing the infected page.

Mitigation and Prevention

To safeguard your systems from CVE-2023-49149, follow these recommended security measures.

Immediate Steps to Take

Update the Currency Converter Calculator plugin to the latest version that contains a patch for the vulnerability.
Implement web application firewalls to filter out malicious inputs and prevent XSS attacks.

Long-Term Security Practices

Regularly monitor and audit your website for security vulnerabilities.
Educate developers on secure coding practices to prevent XSS vulnerabilities in the future.

Patching and Updates

Stay informed about security updates released by CurrencyRate.Today and apply patches promptly to mitigate the risk of XSS attacks.