CVE-2024-21520: XSS (CVSS 6.1)

Description

Versions of the package djangorestframework before 3.15.2 are vulnerable to Cross-site Scripting (XSS) via the break_long_headers template filter due to improper input sanitization before splitting and joining with <br> tags.

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

References

Other References

https://github.com/encode/django-rest-framework/commit/3b41f0124194430da957b119712978fa2266b642 https://github.com/encode/django-rest-framework/pull/9435 https://security.snyk.io/vuln/SNYK-PYTHON-DJANGORESTFRAMEWORK-7252137 https://github.com/encode/django-rest-framework/commit/3b41f0124194430da957b119712978fa2266b642 https://github.com/encode/django-rest-framework/compare/3.15.1...3.15.2 https://github.com/encode/django-rest-framework/pull/9435 https://security.snyk.io/vuln/SNYK-PYTHON-DJANGORESTFRAMEWORK-7252137

Frequently Asked Questions

What is CVE-2024-21520? +

Versions of the package djangorestframework before 3.15.2 are vulnerable to Cross-site Scripting (XSS) via the break_long_headers template filter due to improper input sanitization before splitting and joining with <br> tags. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2024-21520? +

CVE-2024-21520 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2024-21520? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-21520