CVE-2012-3442 Django Allows Redirect via Data URL

What is CVE-2012-3442?

CVE-2012-3442 is a medium-severity cross-site scripting vulnerability in Djangoproject Django, published on 31 Jul 2012. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The (1) django.http.HttpResponseRedirect and (2) django.http.HttpResponsePermanentRedirect classes in Django before 1.3.2 and 1.4.x before 1.4.1 do not validate the scheme of a redirect target, which might allow remote attackers to conduct cross-site scripting (XSS) attacks via a data: URL.

Weakness: CWE-79

Which versions are affected by CVE-2012-3442?

5 open source packages ship an affected version, including django and Django. It affects 1 product.

Products include Djangoproject Django.

How do I fix CVE-2012-3442?

Upgrade django to a fixed version for your release line: 1.3.2 or 1.4.1.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2012-3442 being exploited?

There is no known exploitation of CVE-2012-3442 in the wild and no public exploit code.

Other vulnerabilities in Djangoproject Django

• CVE-2026-4277 Privilege abuse in GenericInlineModelAdmin Critical 9.8
• CVE-2024-53908 Django SQL injection in HasKey(lhs, rhs) on Oracle Critical 9.8
• CVE-2024-42005 Django SQL injection vulnerability Critical 9.8
• CVE-2023-31047 Django bypasses validation when using one form field to upload multiple files Critical 9.8
• CVE-2022-34265 Django `Trunc()` and `Extract()` database functions vulnerable to SQL Injection Critical 9.8

All Djangoproject Django vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2012-3442, GHSA-78vx-ggch-wghm, PYSEC-2012-2.