CVE-2026-25484: Craft Commerce has Stored XSS in Product Type Name
Summary
Stored XSS via Product Type names. The name is not sanitized when displayed in user permissions settings.
The vulnerable input (source) is in Commerce (Product Type settings), but the sink is in CMS user permissions settings. Reporting to Commerce GHSA since the input originates here.
Users are recommended to update to the patched 5.5.2 release to mitigate the issue.
--- Proof of Concept
Required Permissions (Attacker)
- Admin access (to edit Commerce settings)
Steps to Reproduce
1. Log in as attacker with admin permissions. 2. Go to Commerce -> Settings -> Product Types (/admin/commerce/settings/producttypes). 3. Create a new Product Type. 4. Set Name to: html <img src=x onerror="alert('XSS-ProductType')" hidden> 5. Save the Product Type. 6. Go to Users -> Edit any user -> Click on Permissions tab (/admin/users/{UserID}/permissions). 7. Alert fires instantly (when the Product Type checkbox renders).
Resources
https://github.com/craftcms/commerce/commit/7e1dedf06038c8e70dce0187b7048d4ab8ffb75c
Other sources
Craft Commerce is an ecommerce platform for Craft CMS. In versions from 4.0.0-RC1 to 4.10.0 and from 5.0.0 to 5.5.1, there is a Stored XSS via Product Type names. The name is not sanitized when displayed in user permissions settings. The vulnerable input (source) is in Commerce (Product Type settings), but the sink is in CMS user permissions settings. This issue has been patched in versions 4.10.1 and 5.5.2.
— MITRE
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2026-25484?
CVE-2026-25484 has been classified as a medium severity vulnerability due to the potential for stored XSS attacks.
How do I fix CVE-2026-25484?
To fix CVE-2026-25484, upgrade the Craft Commerce package to version 4.10.1 or 5.5.2.
What systems are affected by CVE-2026-25484?
CVE-2026-25484 affects Craft Commerce versions from 4.0.0-RC1 to 4.10.0 and from 5.0.0 to 5.5.1.
What is the nature of the vulnerability described in CVE-2026-25484?
CVE-2026-25484 is a stored Cross-Site Scripting vulnerability that occurs through the Product Type Name.
Who is responsible for addressing CVE-2026-25484?
The maintainers of the Craft Commerce software are responsible for providing updates and patches for CVE-2026-25484.