PT-2024-18934 · Unknown+1 · Django Rest Framework+1

Ch4N3-Yoon · CVE-2024-21520 · Published 2024-06-26 · Updated 2026-07-08

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions djangorestframework versions prior to 3.15.2

Description The issue arises from improper input sanitization in the break long headers template filter, leading to Cross-site Scripting (XSS) via this filter due to the splitting and joining of input with
tags.

Recommendations For versions prior to 3.15.2, update to version 3.15.2 or later to resolve the issue.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2024-21520

GHSA-GW84-84PC-XP82

OPENSUSE-SU-2026:10115-1

PYSEC-2026-1304

RHSA-2024:7312

Affected Products

Debian

Django Rest Framework

References · 21

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/21xxx/CVE-2024-21520.json · Exploit
• https://osv.dev/vulnerability/GHSA-gw84-84pc-xp82 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10115-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-21520 · Security Note
• https://osv.dev/vulnerability/ROOT-APP-PYPI-CVE-2024-21520 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2024-21520 · Security Note
• https://osv.dev/vulnerability/CVE-2024-21520 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2024-21520 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2026-1304 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-21520 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2024-21520 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-21520 · Vendor Advisory
• https://github.com/encode/django-rest-framework · Note
• https://github.com/encode/django-rest-framework/pull/9435 · Note
• https://github.com/encode/django-rest-framework/compare/3.15.1...3.15.2 · Note