EUVD-2026-275349

fkie_cve-2026-29176

Craft Commerce is an ecommerce platform for Craft CMS. Prior to 5.5.3, A stored XSS vulnerability exists in the Commerce Settings - Inventory Locations page. The Name field is rendered without proper HTML escaping, allowing an attacker to execute arbitrary JavaScript. This XSS triggers when an administrator (or user with product editing permissions) creates or edits a variant product. This vulnerability is fixed in 5.5.3.

GHSA-wj89-2385-gpx3 — Craft Commerce has stored XSS in Inventory Location Name

Affected: Packagist: craftcms/commerce

## Summary A stored XSS vulnerability exists in the Commerce Settings - Inventory Locations page. The **Name** field is rendered without proper HTML escaping, allowing an attacker to execute arbitrary JavaScript.

This XSS triggers when an administrator (or user with product editing permissions) creates or edits a variant product.

## Proof of Concept

### Permissions Required - General - Access the control panel - Access Craft Commerce

- Craft Commerce - Manage inventory locations

### Steps to Reproduce

1. Log in to the control panel 2. Navigate to **Commerce → Inventory Locations** 3. Create or edit a location 4. Set **Name** to the following payload: ```html <img src=x onerror="alert('XSS')"> ``` 5. Save the location 6. Navigate to **Commerce → Products** and click "New Product" and click "New product variant" 7. The Inventory Location table loads, rendering the **Inventory Location Name** 8. XSS executes

## Impact - Potential Session Hijacking - Potential Database Exfiltration - Potential Account Takeover by forcing a password change on the victim’s account. - Potential Privilege escalation, or creating new admin users.

## Mitigation Sanitize the inventory location name field when rendering in the "Track Inventory" table.

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EUVD-2026-275349

fkie_cve-2026-29176

GHSA-wj89-2385-gpx3 — Craft Commerce has stored XSS in Inventory Location Name