Django <5.2.17 / <6.0.8 XSS via admin URLField rendering
CVE-2026-15920 Published on August 4, 2026
Potential cross-site scripting via URLField values in the admin
An issue was discovered in Django 5.2 before 5.2.17 and 6.0 before 6.0.8.
`django.contrib.admin.utils.display_for_field()` renders `URLField` values as clickable links in the admin without validating the URL. A value stored with an unsafe scheme is displayed as a link on changelist and read-only admin pages, which allows cross-site scripting against staff users who click the link.
Exploitation requires the unsafe value to already be stored in the database. `URLField` validation through a `ModelForm` or the admin rejects unsafe schemes, so this affects applications that persist `URLField` data without running model validation, for example through direct queryset writes, deserialization, or bulk import of untrusted input.
Django would like to thank Egor Saltykov for reporting this issue.
Timeline
Initial report received.
Vulnerability confirmed. 8 days later.
Security release issued. 14 days later.
Weakness Type
Improper Neutralization of Script in Attributes in a Web Page
The software does not neutralize or incorrectly neutralizes "javascript:" or other URIs from dangerous attributes within tags, such as onmouseover, onload, onerror, or style.
Products Associated with CVE-2026-15920
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Affected Versions
djangoproject Django:- Version 6.0 and below 6.0.8 is affected.
- Version 6.0.8 is unaffected.
- Version 5.2 and below 5.2.17 is affected.
- Version 5.2.17 is unaffected.