What is CVE-2014-3730?

CVE-2014-3730 is a vulnerability in Djangoproject Django, classified under Improper Input Validation. Published 2014-05-16.

Is CVE-2014-3730 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Djangoproject Django

CVE-2014-3730

The django.util.http.is_safe_url function in Django 1.4 before 1.4.13, 1.5 before 1.5.8, 1.6 before 1.6.5, and 1.7 before 1.7b4 does not properly validate URLs, which allows remote attackers to conduct open redirect attacks via a malformed URL, as demonstrated by "http:\\\djangoproject.com."

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2014-05-16 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.031 (87.5th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000

Affected products

Djangoproject Django — versions 1.4, 1.4.1, 1.4.2
Canonical Ubuntu Linux — versions 10.04, 12.04, 12.10
Debian Linux — versions 7.0, 8.0
openSUSE — versions 12.3, 13.1

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

secunia.com/advisories/61281 (third-party-advisory)
www.debian.org/security/2014/dsa-2934 (vendor-advisory, Third Party Advisory)
ubuntu.com/usn/usn-2212-1 (vendor-advisory, Third Party Advisory)
www.securityfocus.com/bid/67410 (VDB Entry, Third Party Advisory, vdb-entry)
lists.opensuse.org/opensuse-updates/2014-09/msg00023.html (vendor-advisory, Third Party Advisory)
www.openwall.com/lists/oss-security/2014/05/15/3 (mailing-list, Third Party Advisory)
www.djangoproject.com/weblog/2014/may/14/security-releases-issued/ (Patch, Vendor Advisory)
www.openwall.com/lists/oss-security/2014/05/14/10 (mailing-list, Third Party Advisory)

Frequently asked questions

What is CVE-2014-3730?: CVE-2014-3730 is a vulnerability in Djangoproject Django, classified under Improper Input Validation. Published 2014-05-16.
Is CVE-2014-3730 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.