The relationship typeahead components AshAdmin.Components.Resource.RelationshipField and AshAdmin.Components.Resource.ManagedRelationshipSelectField highlight the matched search term by wrapping it in <b> tags and rendering the whole string with Phoenix.HTML.raw/1. The highlighted value is the destination record's label_field, ordinary database content that is often written by lower-privileged users. Because raw/1 disables output escaping for the entire string, a stored label such as <img src=x onerror=...> runs as JavaScript in the admin's session as soon as a matching record appears in the dropdown, giving the attacker the admin's privileges over everything AshAdmin exposes. The fix HTML-escapes the label before inserting the highlight markup.
This issue affects ash_admin: from 0.13.0 before 1.3.1.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| ash-project | ash_admin | unaffected |
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| ash-project | ash_admin | unaffected |
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Solution
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Workaround
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Mon, 31 Aug 2026 02:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Stored Cross-site Scripting vulnerability in ash-project ash_admin executes attacker-supplied record content as script in an administrator's browser. The relationship typeahead components AshAdmin.Components.Resource.RelationshipField and AshAdmin.Components.Resource.ManagedRelationshipSelectField highlight the matched search term by wrapping it in <b> tags and rendering the whole string with Phoenix.HTML.raw/1. The highlighted value is the destination record's label_field, ordinary database content that is often written by lower-privileged users. Because raw/1 disables output escaping for the entire string, a stored label such as <img src=x onerror=...> runs as JavaScript in the admin's session as soon as a matching record appears in the dropdown, giving the attacker the admin's privileges over everything AshAdmin exposes. The fix HTML-escapes the label before inserting the highlight markup. This issue affects ash_admin: from 0.13.0 before 1.3.1. | |
| Title | Stored XSS in AshAdmin relationship typeahead via unescaped label_field content | |
| First Time appeared |
Ash-project
Ash-project ash Admin |
|
| Weaknesses | CWE-79 | |
| CPEs | cpe:2.3:a:ash-project:ash_admin:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Ash-project
Ash-project ash Admin |
|
| References |
| |
| Metrics |
cvssV4_0
|
Projects
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MITRE
Status: PUBLISHED
Assigner: EEF
Published:
Updated: 2026-08-31T02:23:54.129Z
Reserved: 2026-08-31T00:45:02.443Z
Link: CVE-2026-77850
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-08-31T03:16:42.307
Modified: 2026-08-31T03:16:42.307
Link: CVE-2026-77850
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-08-31T03:30:05Z