Cross-site scripting in Unicorn framework

MEDIUM 5.4CVE-2021-42053 · GHSA-c87f-fq5g-63r2 · PYSEC-2021-357 · Published 07/10/2021 · updated 17/06/2026

In short

CVE-2021-42053 is a MEDIUM (CVSS 5.4) vulnerability affecting django-unicorn, unicorn (django-unicorn).
Chance of exploitation in the next 30 days (EPSS): 2.5%, higher than 84.9% of all vulnerabilities.
Fix: update to 0.36.0 or later.

Package	Affected versions	Patched versions
django-unicorn PyPI	`< 0.36.0`	`0.36.0`
unicorn django-unicorn	`≤ 0.35.3`	No fix yet

The Unicorn framework through 0.35.3 for Django allows XSS via component.name.

NVD description

The Unicorn framework through 0.35.3 for Django allows XSS via component.name.

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Package

Affected versions

Patched versions

PyPI

< 0.36.0

0.36.0

≤ 0.35.3

No fix yet

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