CVE-2022-0877 : Vulnerability Insights and Analysis
Learn about CVE-2022-0877, a high severity Cross-site Scripting (XSS) vulnerability in bookstackapp/bookstack prior to v22.02.3. Find out the impacts, technical details, and mitigation steps.
Cross-site Scripting (XSS) vulnerability was discovered in the GitHub repository bookstackapp/bookstack prior to version v22.02.3. This vulnerability has been assigned a CVSS score of 7.6, indicating a high severity threat.
Understanding CVE-2022-0877
This section delves into the details of the cross-site scripting vulnerability affecting bookstackapp/bookstack.
What is CVE-2022-0877?
CVE-2022-0877 refers to a stored Cross-site Scripting (XSS) vulnerability found in the GitHub repository of bookstackapp/bookstack before version v22.02.3.
The Impact of CVE-2022-0877
The vulnerability has a CVSS base score of 7.6, with a high impact on confidentiality and availability. An attacker can exploit this vulnerability to execute malicious scripts in a victim's browser, potentially leading to data theft or unauthorized actions.
Technical Details of CVE-2022-0877
In this section, we explore the technical aspects of the CVE-2022-0877 vulnerability.
Vulnerability Description
CVE-2022-0877 involves improper neutralization of input during web page generation, specifically falling under the CWE-79 category of Cross-site Scripting (XSS) vulnerabilities.
Affected Systems and Versions
The vulnerability impacts bookstackapp/bookstack versions prior to v22.02.3.
Exploitation Mechanism
An attacker can exploit this vulnerability through a network attack vector, with low privileges required and user interaction necessary.
Mitigation and Prevention
To mitigate the risks associated with CVE-2022-0877, immediate steps and long-term security practices must be implemented.
Immediate Steps to Take
Users are advised to update bookstackapp/bookstack to version v22.02.3 or newer to prevent exploitation of this vulnerability. Additionally, input sanitization measures can help mitigate XSS risks.
Long-Term Security Practices
Implementing secure coding practices, conducting regular security audits, and educating developers on XSS prevention can enhance long-term security posture.
Patching and Updates
Regularly applying security patches and staying informed about software updates from bookstackapp can prevent potential security breaches.