CVE-2024-21520
Publication date 26 June 2024
Last updated 3 July 2025
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| djangorestframework | 25.10 questing |
Not affected
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
6.1 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Changed |
| Confidentiality | Low |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2024-21520
- https://github.com/encode/django-rest-framework/pull/9435
- https://github.com/encode/django-rest-framework/commit/3b41f0124194430da957b119712978fa2266b642 (3.15.2)
- https://security.snyk.io/vuln/SNYK-PYTHON-DJANGORESTFRAMEWORK-7252137
- https://github.com/encode/django-rest-framework/commit/3b41f0124194430da957b119712978fa2266b642