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CVE-2026-15920 is a stored cross-site scripting vulnerability in Django admin affecting Django 5.2 before 5.2.17 and 6.0 before 6.0.8. The issue is in django.contrib.admin.utils.display_for_field(), which rendered django.db.models.URLField values as clickable links in admin changelist views and read-only admin fields without validating that the stored URL used a safe scheme. If an unsafe scheme was already persisted in the database, the admin interface could render that value as an executable link. The flaw is limited to cases where URLField data is stored without normal model validation, such as direct queryset writes, deserialization, or bulk import of untrusted input, because ModelForm and Django admin validation reject unsafe schemes. Django fixed the issue by validating URLField values with URLValidator before rendering hyperlinks and falling back to plain-text display when validation fails.
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A stored cross-site scripting vulnerability in Django admin caused by auto-linking URLField values without validating the URL scheme, allowing a stored javascript: value to be rendered as a clickable link.
A moderate-severity stored XSS vulnerability in Django admin views caused by rendering URLField values as clickable links without validating that the URL scheme is safe.
A moderate-severity Django cross-site scripting vulnerability in admin rendering of URLField values, where unsafe URL schemes could be rendered as clickable links.
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Cross-references every affected SKU, including bundled OEM variants.
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