XSS in Django REST Framework

1) Cross-site scripting

EUVDB-ID: #VU97956

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-21520

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data passed to the the break_long_headers template filter. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

django-rest-framework: 3.15.0 - 3.15.1

CPE2.3

• cpe:2.3:a:encode:django-rest-framework:3.15.0:*:*:*:*:*:*:*
• cpe:2.3:a:encode:django-rest-framework:3.15.1:*:*:*:*:*:*:*

External links

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.