CVE-2021-3950: Cross-site Scripting Vulnerability in django-helpdesk
Summary
CVE-2021-3950: django-helpdesk is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). Affects django-helpdesk across 2 version ranges.
< 0.3.1
< 04483bdac3b5196737516398b5ce0383875a5c60
Fixed in 04483bdac3b5196737516398b5ce0383875a5c60. How to fix ↓
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Background
django-helpdesk is a Python package available on PyPI that provides a ticketing system for customer support. It is commonly used in web applications to manage and track user inquiries. The package allows users to create, update, and close tickets, as well as communicate with customers. However, an issue has been identified in the package that makes it vulnerable to cross-site scripting (XSS) attacks.
Vulnerability Detail
The vulnerability in django-helpdesk arises from improper neutralization of input during web page generation. This means that user-supplied data is not properly sanitized before being included in the HTML output, allowing an attacker to inject malicious scripts. If exploited, this vulnerability can lead to various consequences, including the theft of sensitive user information, session hijacking, and the execution of arbitrary code in the context of the affected user's browser.
How To Fix
Minimum fixed version
04483bdac3b5196737516398b5ce0383875a5c60
This is the first release that contains the fix.
pip install --upgrade "django-helpdesk==04483bdac3b5196737516398b5ce0383875a5c60"Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If upgrading to the latest version of django-helpdesk is not immediately feasible, a temporary workaround can be implemented. This involves manually sanitizing user input before using it in HTML output. Developers should use appropriate sanitization functions or libraries to remove any potentially malicious content from user-supplied data.
Conclusion
In conclusion, the django-helpdesk package is vulnerable to cross-site scripting (XSS) attacks due to improper input neutralization during web page generation. This vulnerability can have serious consequences, including the theft of sensitive user information and the execution of arbitrary code. It is crucial to upgrade to the latest version of django-helpdesk or implement appropriate input sanitization to mitigate the risk. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
If exploited, this vulnerability can allow an attacker to inject and execute arbitrary scripts in the context of the affected user's browser. This can lead to various consequences, including the theft of sensitive user information and session hijacking.
You can use the Vulert Playground at Vulert Scanner to check if your application is affected by this vulnerability. Simply provide your Pipfile.lock file, and Vulert will analyze it for any open-source vulnerabilities, including this one.
At the time of this report, there are no known public exploits specifically targeting this vulnerability in django-helpdesk. However, it is important to promptly address and fix the vulnerability to mitigate any potential risks.
While django-helpdesk is a popular choice for implementing a ticketing system in Django applications, there are alternative packages available that may also meet your requirements. Some alternatives include django-simple-ticket and django-tickets.
You can find more information about this vulnerability, including its impact and mitigation steps, in the official advisory published by the Python Package Advisory Database. The advisory can be accessed at: https://github.com/pypa/advisory-database/blob/main/vulns/django-helpdesk/PYSEC-2021-431.yaml
References
Related vulnerabilities
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