CVE-2022-0926 Explained : Impact and Mitigation

File upload filter bypass leading to stored XSS in GitHub repository microweber/microweber prior to version 1.2.12.

Understanding CVE-2022-0926

This CVE involves a file upload filter bypass that leads to stored Cross-Site Scripting (XSS) in the microweber/microweber GitHub repository.

What is CVE-2022-0926?

The vulnerability in microweber/microweber prior to version 1.2.12 allows attackers to upload malicious files that can lead to stored XSS attacks.

The Impact of CVE-2022-0926

With a CVSS base score of 7.1 (High Severity), the vulnerability poses a high risk to confidentiality, allowing for the execution of stored XSS attacks without user interaction, impacting the integrity of the system.

Technical Details of CVE-2022-0926

This section covers the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability involves a file upload filter bypass in microweber/microweber, enabling attackers to execute stored XSS attacks.

Affected Systems and Versions

All versions of microweber/microweber prior to 1.2.12 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading specially crafted files containing malicious scripts that are executed when accessed by other users.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-0926, follow these steps:

Immediate Steps to Take

Upgrade microweber/microweber to version 1.2.12 or higher to eliminate the vulnerability.
Avoid opening files from untrusted sources to prevent XSS attacks.

Long-Term Security Practices

Regularly update and patch all software to protect against known vulnerabilities.
Implement file upload restrictions and validation checks to prevent malicious uploads.

Patching and Updates

Stay informed about security updates for microweber/microweber and apply patches promptly to ensure a secure environment.