Django open redirect and possible XSS attack via user-supplied numeric redirect URLs
Django 1.10 before 1.10.7, 1.9 before 1.9.13, and 1.8 before 1.8.18 relies on user input in some cases to redirect the user to an "on success" URL. The security check for these redirects (namely django.utils.http.is_safe_url()) considered some numeric URLs "safe" when they shouldn't be, aka an open redirect vulnerability. Also, if a developer relies on is_safe_url() to provide safe redirect targets and puts such a URL into a link, they could suffer from an XSS attack.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | django | >= 1.10a1, < 1.10.7, >= 1.9a1, < 1.9.13, >= 1.8a1, < 1.8.18 | 1.10.7, 1.9.13, 1.8.18 |
References
- https://www.djangoproject.com/weblog/2017/apr/04/security-releases/
- http://www.securityfocus.com/bid/97406
- http://www.securitytracker.com/id/1038177
- http://www.debian.org/security/2017/dsa-3835
- https://access.redhat.com/errata/RHSA-2017:3093
- https://access.redhat.com/errata/RHSA-2017:1596
- https://access.redhat.com/errata/RHSA-2017:1470
- https://access.redhat.com/errata/RHSA-2017:1462
- https://access.redhat.com/errata/RHSA-2017:1451
- https://access.redhat.com/errata/RHSA-2017:1445
- https://access.redhat.com/errata/RHSA-2018:2927
- https://github.com/advisories/GHSA-37hp-765x-j95x
- https://nvd.nist.gov/vuln/detail/CVE-2017-7233
- https://github.com/django/django/commit/254326cb3682389f55f886804d2c43f7b9f23e4f
- https://github.com/django/django/commit/8339277518c7d8ec280070a780915304654e3b66
- https://github.com/django/django/commit/f824655bc2c50b19d2f202d7640785caabc82787
- https://github.com/django/django
- https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2017-9.yaml
- https://www.djangoproject.com/weblog/2017/apr/04/security-releases
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-601- Platform
- Python (PyPI)
- Package
django- Disclosed
- 04.04.2017
- Updated
- 11.10.2026 11:20
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2017-9 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-37hp-765x-j95x - CC BY 4.0
Vulnerability history: django
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 162
- First → latest
- 10.2007 08.2026
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- Critical 16
- High 65
- Medium 63
- Low 18
Disclosures per year
- 2017: 3
- 2018: 5
- 2019: 11
- 2020: 6
- 2021: 8
- 2022: 14
- 2023: 7
- 2024: 14
- 2025: 12
- 2026: 26
earlier: 56
-
Django open redirect and possible XSS attack via user-supplied numeric redirect URLs this entry
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