Django 3.0.13 release notes

February 19, 2021

Django 3.0.13 fixes a security issue in 3.0.12.

CVE-2021-23336: Web cache poisoning via django.utils.http.limited_parse_qsl()

Django contains a copy of urllib.parse.parse_qsl() which was added to backport some security fixes. A further security fix has been issued recently such that parse_qsl() no longer allows using ; as a query parameter separator by default. Django now includes this fix. See bpo-42967 for further details.

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