CVE-2023-30489 : Exploit Details and Defense Strategies

WordPress Email Subscription Popup Plugin <= 1.2.16 is vulnerable to Cross Site Scripting (XSS).

Understanding CVE-2023-30489

This CVE involves an Unauthenticated Reflected Cross-Site Scripting vulnerability in the Email Subscription Popup plugin by I Thirteen Web Solution.

What is CVE-2023-30489?

CVE-2023-30489 is a vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. In this case, the Email Subscription Popup plugin version 1.2.16 and below are affected.

The Impact of CVE-2023-30489

The impact of this vulnerability is rated as HIGH, with a CVSS v3.1 base severity score of 7.1. It can lead to unauthorized access, data theft, and manipulation by exploiting the XSS vulnerability.

Technical Details of CVE-2023-30489

This section covers the specific details related to the vulnerability.

Vulnerability Description

The vulnerability in the Email Subscription Popup plugin <= 1.2.16 allows for Unauthenticated Reflected Cross-Site Scripting (XSS) attacks, which can compromise user data and lead to various security risks.

Affected Systems and Versions

The affected product is the Email Subscription Popup plugin by I Thirteen Web Solution, specifically versions up to and including 1.2.16.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into input fields, which are then executed when unsuspecting users interact with the affected web pages.

Mitigation and Prevention

To address CVE-2023-30489 and enhance security, the following measures can be implemented.

Immediate Steps to Take

Users are advised to update the Email Subscription Popup plugin to version 1.2.17 or higher to mitigate the XSS vulnerability.

Long-Term Security Practices

Regularly update plugins, themes, and software to patch known vulnerabilities and enhance overall security posture.

Patching and Updates

Stay informed about security alerts and CVE disclosures, and promptly apply patches to address known vulnerabilities.