Learn about CVE-2022-0946, a critical Stored XSS vulnerability in star7th/showdoc before v2.10.4. Understand the impact, technical details, and mitigation steps to prevent exploitation.
A Stored XSS vulnerability has been identified in the GitHub repository star7th/showdoc prior to version 2.10.4. This vulnerability is rated as critical with a CVSS base score of 9.
Understanding CVE-2022-0946
This CVE involves a Stored XSS via cshtm file upload vulnerability in the star7th/showdoc GitHub repository.
What is CVE-2022-0946?
CVE-2022-0946 is a critical Stored XSS vulnerability in star7th/showdoc before version 2.10.4, allowing attackers to execute malicious scripts in a victim's browser.
The Impact of CVE-2022-0946
The impact of this vulnerability is rated as critical, with high confidentiality, integrity, and availability impact. It requires low privileges to exploit and user interaction is required.
Technical Details of CVE-2022-0946
This section provides more in-depth technical details regarding the vulnerability.
Vulnerability Description
The vulnerability allows for Stored XSS via cshtm file upload, enabling attackers to upload files containing malicious scripts and execute them in victim's browsers.
Affected Systems and Versions
The vulnerability affects star7th/showdoc versions prior to 2.10.4.
Exploitation Mechanism
Attackers can exploit this vulnerability by uploading a file with malicious scripts, which are then executed when accessed by other users.
Mitigation and Prevention
To protect systems from CVE-2022-0946 and similar vulnerabilities, it's essential to take immediate steps and implement long-term security practices.
Immediate Steps to Take
Immediate steps include updating to the latest version of star7th/showdoc (v2.10.4 or later) to mitigate the vulnerability's risk.
Long-Term Security Practices
Implement secure coding practices, regularly update software, conduct security assessments, and educate users on safe browsing habits.
Patching and Updates
Regularly monitor for security updates and apply patches promptly to ensure systems are protected against potential vulnerabilities.