En bref
- CVE-2026-56383 est une vulnérabilité MOYENNE (CVSS 4.8) touchant craftcms/cms.
- Probabilité d'exploitation dans les 30 prochains jours (EPSS) : 0.22%, plus élevée que 12.3% des vulnérabilités.
- Correctif : mettre à jour vers 4.16.19, 5.8.23 ou plus récent.
| Package | Affected versions | Patched versions |
|---|
| craftcms/cms Packagist | ≥ 4.5.0-beta.1, < 4.16.19≥ 5.0.0-RC1, < 5.8.23
| 4.16.195.8.23
|
Description
A stored Cross-site Scripting (XSS) vulnerability exists in the editableTable.twig component when using the Row Heading column type. The application fails to sanitize input within row headings, allowing an attacker to execute arbitrary JavaScript when another user views a page with the malicious table field.
Prerequisites
Steps to Reproduce
- Navigate to Settings → Fields and create a new field with Type: Table
- Add a Column Heading and set Column Type to
Row Heading
- In Default Values section, add a row with the following payload:
<img src=x onerror="alert('XSS')">
- Enable
Static Rows
- Use the field in any object (e.g., user profile fields) → then visit any user’s profile
- Notice the XSS execution
Resources
https://github.com/craftcms/cms/commit/7b372de262b8d9d2ce859f32780c3715719b6f5a
NVD description
Craft CMS contains a stored cross-site scripting (XSS) vulnerability in the editableTable.twig component when using the 'Row Heading' column type. The application fails to sanitize input within row heading default values, allowing an attacker with an administrator account (with allowAdminChanges enabled) to inject arbitrary JavaScript that executes when another user views a page containing the affected table field. Affected versions are >= 4.5.0-beta.1 through 4.16.18 and >= 5.0.0-RC1 through 5.8.22; fixed in 4.16.19 and 5.8.23.
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