CVE-2021-42053 Cross-site scripting in Unicorn framework
Cross-site scripting vulnerability in the Unicorn framework for Django allows attackers to inject malicious scripts via component names.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-42053?
CVE-2021-42053 is a medium-severity cross-site scripting vulnerability in n/a, published on 7 Oct 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Unicorn framework through 0.35.3 for Django allows XSS via component.name.
Weakness: CWE-79
Which versions are affected by CVE-2021-42053?
3 open source packages ship an affected version, including django-unicorn. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
django-unicorn PyPI | All versions | 0.36.0 |
django-unicorn PyPI | All versions | 0.36.0 |
django-unicorn PyPI | All versions | 0.36.0 |
Products include Django-Unicorn Unicorn.
How do I fix CVE-2021-42053?
Upgrade django-unicorn to 0.36.0 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-42053 being exploited?
There is no known exploitation of CVE-2021-42053 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-c87f-fq5g-63r2, PYSEC-2021-357.