CVE-2023-28467 : Vulnerability Insights and Analysis

This CVE refers to a vulnerability found in MyBB before version 1.8.34, leading to cross-site scripting (XSS) in the User CP module through the user email field.

Understanding CVE-2023-28467

In this section, we will delve deeper into the details of CVE-2023-28467.

What is CVE-2023-28467?

CVE-2023-28467 is a security flaw identified in MyBB versions prior to 1.8.34. It allows attackers to carry out cross-site scripting attacks by exploiting vulnerabilities in the User CP module, specifically through the user email field.

The Impact of CVE-2023-28467

The impact of this vulnerability can be significant as it can be exploited by malicious actors to inject and execute malicious scripts within the context of the target user's session, potentially leading to unauthorized access, data theft, or other harmful activities.

Technical Details of CVE-2023-28467

Let's explore the technical aspects of CVE-2023-28467 to understand its implications and how it can be mitigated.

Vulnerability Description

The vulnerability stems from insufficient input validation within the user email field in the User CP module of MyBB. This allows attackers to inject malicious scripts, leading to XSS attacks.

Affected Systems and Versions

All versions of MyBB before 1.8.34 are vulnerable to CVE-2023-28467. Users of these versions are at risk of exploitation if the necessary security measures are not implemented.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious inputs in the user email field, triggering the execution of unauthorized scripts when processed by the affected MyBB version.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks associated with CVE-2023-28467 and prevent potential security breaches.

Immediate Steps to Take

Users and administrators should update MyBB to version 1.8.34 or the latest release to address the XSS vulnerability in the User CP module. Additionally, input validation and output encoding should be employed to counteract XSS attacks.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and staying informed about security updates and patches can help bolster the overall security posture of MyBB installations against XSS and other vulnerabilities.

Patching and Updates

Regularly monitoring for security advisories from MyBB and promptly applying patches and updates can help safeguard systems from known vulnerabilities, reducing the risk of exploitation and potential compromise.