CVE-2022-0956 Explained : Impact and Mitigation

A detailed overview of Stored XSS via File Upload vulnerability in GitHub repository star7th/showdoc.

Understanding CVE-2022-0956

This CVE involves a Stored XSS via File Upload vulnerability in the star7th/showdoc GitHub repository.

What is CVE-2022-0956?

CVE-2022-0956 is a Stored Cross-Site Scripting (XSS) vulnerability found in the GitHub repository star7th/showdoc before version 2.10.4.

The Impact of CVE-2022-0956

The vulnerability has a CVSS v3.0 base score of 7.1, with a high severity level. It requires no privileges and can be exploited over the network, impacting confidentiality, integrity, and availability.

Technical Details of CVE-2022-0956

Exploring the specific technical details of the vulnerability.

Vulnerability Description

The vulnerability allows an attacker to execute malicious scripts via file uploads, potentially leading to account compromise or data theft.

Affected Systems and Versions

The issue affects all versions of star7th/showdoc prior to v.2.10.4, making them susceptible to stored XSS attacks.

Exploitation Mechanism

By uploading a specially crafted file containing malicious scripts, an attacker can exploit this vulnerability to execute unauthorized actions.

Mitigation and Prevention

Guidelines to mitigate the risk and prevent exploitation of the vulnerability.

Immediate Steps to Take

Users should update to version 2.10.4 or later to prevent exploitation. Additionally, avoid uploading files from untrusted sources.

Long-Term Security Practices

Implement secure coding practices, input validation mechanisms, and regular security audits to prevent similar vulnerabilities in the future.

Patching and Updates

Regularly monitor for security patches and updates released by the vendor to ensure protection against known vulnerabilities.