CVE-2013-1664: PYSEC-2026-801 - XML Entity Expansion (XEE) in Django

CVE-2013-1664 · Severity: info · Published 2026-07-06

XML Entity Expansion (XEE) in Django

Technologies: Django (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2013-1664 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2013-1664 being exploited in the wild.
How severe is CVE-2013-1664?
Informational severity, published 6 July 2026.
Which products and versions are affected?
Django (PyPI) ECOSYSTEM:introduced=1.3.0,fixed=1.3.6, ECOSYSTEM:introduced=1.3.0,fixed=1.3.6,introduced=1.4.0,fixed=1.4.4.
Is there a fix for CVE-2013-1664?
Yes. Django (PyPI): upgrade to 1.3.6, 1.4.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2013-1664?
Check whether you run Django (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Django (PyPI): upgrade to 1.3.6, 1.4.4 or later
    pip install "Django>=1.4.4"

Affected products

  • Django (PyPI) ECOSYSTEM:introduced=1.3.0,fixed=1.3.6, ECOSYSTEM:introduced=1.3.0,fixed=1.3.6,introduced=1.4.0,fixed=1.4.4

Identifiers

  • CVE-2013-1664
  • GHSA-qrh7-x6fp-c2mp
  • PYSEC-2026-801

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