Laravel Backpack CRUD CVE-2026-54181
MEDIUM
GHSA-mmg4-322v-6jvc
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
PR:L reflects required write-level authentication; S:C and UI:R reflect stored XSS executing in a different user's browser; no availability impact applies.
Primary rating from GitHub Advisory.
CVSS VectorGitHub Advisory
Lifecycle Timeline
2DescriptionGitHub Advisory
Summary
The Blade template for the color column type (src/resources/views/crud/columns/color.blade.php) has its escaped/unescaped rendering branches inverted relative to every other column template in the library. Because $column['escaped'] defaults to true, values stored in color columns are rendered unescaped by default, enabling Stored XSS if column values are not validated before storage.
Details
All other column templates in src/resources/views/crud/columns/ follow the convention:
$column['escaped'] == true→{{ $column['text'] }}(HTML-escaped)$column['escaped'] == false→{!! $column['text'] !!}(raw)
The color template has these branches swapped. An attacker who can write an arbitrary string to a color-typed column can inject JavaScript that executes in the browser of any user who views the list - including administrators - with access to their session cookies and CSRF tokens.
Impact
Stored XSS with scope change (attacker context runs in victim's browser). Highest-risk target is an administrator viewing the list view. Exploitability requires the ability to write an unsanitized value into a color-typed column.
Patches
Fixed in 6.8.14 and 7.0.38 by correcting the branch order in color.blade.php. See PR #5992.
Workarounds
Validate stored color values against a strict CSS color grammar (e.g. /^#[0-9a-fA-F]{3,6}$/) at the model layer before data reaches the view.
Credits
Reported by Vishal Shukla (@shukla304) via sechub.dev.
AnalysisAI
Stored XSS in Laravel Backpack CRUD's color column Blade template allows any authenticated user with write access to a color-typed field to inject arbitrary JavaScript that executes in the browsers of other users - including administrators - who view the affected list page. The root cause is an inversion of the escaped/unescaped rendering branches in color.blade.php: because $column['escaped'] defaults to true, the template renders values raw via {!! …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires all four of the following conditions: (1) the application runs Laravel Backpack CRUD 6.x prior to 6.8.14 or 7.x prior to 7.0.38; (2) at least one CRUD panel defines a column with `type => 'color'` in its column configuration array; (3) the attacker holds at minimum a low-privilege authenticated account (PR:L) with write access to that column, either through the Backpack admin interface or any other data write path; and (4) a victim - ideally an administrator - loads the list view containing the poisoned record (UI:R). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The vendor-assigned CVSS 3.1 score of 5.4 (Medium) with vector AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N is consistent with an independent assessment of this vulnerability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to Laravel Backpack CRUD 6.8.14 (for 6.x installations) or 7.0.38 (for 7.x installations); both releases are confirmed available at https://github.com/Laravel-Backpack/CRUD/releases/tag/6.8.14 and https://github.com/Laravel-Backpack/CRUD/releases/tag/7.0.38 respectively. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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