CVE-2019-12308

CVE-2019-12308 is a medium-severity vulnerability in Djangoproject Django with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

• Severity: Medium (CVSS 3.x base score 6.1)
• CVSS v2: 4.3
• EPSS exploit prediction: 3% (83rd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-79
• Affected product: Djangoproject Django
• Published: 2019-06-03
• Last modified: 2026-06-17

Description

An issue was discovered in Django 1.11 before 1.11.21, 2.1 before 2.1.9, and 2.2 before 2.2.2. The clickable Current URL value displayed by the AdminURLFieldWidget displays the provided value without validating it as a safe URL. Thus, an unvalidated value stored in the database, or a value provided as a URL query parameter payload, could result in an clickable JavaScript link.

Frequently asked questions

What is CVE-2019-12308?

An issue was discovered in Django 1.11 before 1.11.21, 2.1 before 2.1.9, and 2.2 before 2.2.2. The clickable Current URL value displayed by the AdminURLFieldWidget displays the provided value without validating it as a safe URL. Thus, an unvalidated value stored in the database, or a value provided as a URL query parameter payload, could result in an clickable JavaScript link.

How severe is CVE-2019-12308?

CVE-2019-12308 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-12308 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12308?

CVE-2019-12308 affects Djangoproject Django. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-12308?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-12308 published?

CVE-2019-12308 was published on 2019-06-03 and last updated on 2026-06-17.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00006.html
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00025.html
• http://www.openwall.com/lists/oss-security/2019/06/03/2
• http://www.securityfocus.com/bid/108559
• https://docs.djangoproject.com/en/dev/releases/1.11.21/
• https://docs.djangoproject.com/en/dev/releases/2.1.9/
• https://docs.djangoproject.com/en/dev/releases/2.2.2/
• https://docs.djangoproject.com/en/dev/releases/security/
• https://groups.google.com/forum/#%21topic/django-announce/GEbHU7YoVz8
• https://lists.debian.org/debian-lts-announce/2019/06/msg00001.html
• https://lists.debian.org/debian-lts-announce/2019/07/msg00001.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/USYRARSYB7PE3S2ZQO7PZNWMH7RPGL5G/
• https://seclists.org/bugtraq/2019/Jul/10
• https://security.gentoo.org/glsa/202004-17
• https://usn.ubuntu.com/4043-1/
• https://www.debian.org/security/2019/dsa-4476
• https://www.djangoproject.com/weblog/2019/jun/03/security-releases/

Affected products (1)

• cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*

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