CVE-2026-29173: Craftcms/commerce Remote Code Execution Vulnerability

LOW
Advisory Identifier: GHSA-mqxf-2998-c6cp
CWE-79
Published
Advisory Summary

CVE-2026-29173 is a LOW remote code execution vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Craftcms/commerce libraries in the Packagist ecosystem. The issue involves craft commerce is vulnerable to stored xss while updating order status from orders table. Remediation is available by upgrading affected packages to version 4.10.2, 5.5.3.

CVE-2026-29173 at a Glance

CVE Identifier CVE-2026-29173
GHSA Identifier GHSA-mqxf-2998-c6cp
Severity LOW
CVSS v3.1 Base Score N/A
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Craftcms/commerce
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2026-29173

To remediate this vulnerability, upgrade all affected Craftcms/commerce dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

craftcms/commerce fixed: 4.10.2
Upgrade craftcms/commerce to 4.10.2
craftcms/commerce fixed: 5.5.3
Upgrade craftcms/commerce to 5.5.3
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release:

inspect dependencies for craftcms/commerce

How to Check if You Are Affected

To determine whether your application is affected by CVE-2026-29173, inspect your project dependencies for Craftcms/commerce:

inspect dependencies for craftcms/commerce

Analyze the terminal output to locate any version of Craftcms/commerce in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.10.2), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Craftcms/commerce, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

## Summary A stored XSS vulnerability exists when a user tries to update the Order Status from the Commerce Orders Table. The Order Status Name is rendered without proper escaping, allowing script execution to occur. --- ## Proof of Concept ### Required Permissions - Admin access (to edit/create Order Statuses) ### Steps to Reproduce 1. Log in with an admin account 2. Navigate to **Commerce** → **Settings** → **Order Statuses** 3. Create a new order status 4. Set the **Name** field to: ```html <img src=x onerror="alert('Order Statuses XSS')"> ``` 5. Save the order status 6. Go to Commerce → Orders (make sure you placed any orders) 7. From the left panel, select any Order Status (e.g., New) 8. Select any order from the orders table → Click on the Gear Icon → then click "Update Order Status..." 9. Notice the XSS execution

CVE-2026-29173 Affected Craftcms/commerce Versions

2 component(s)
Fixed Versions:
4.10.25.5.3
Product / Package Ecosystem Affected Versions Fixed Version
craftcms/commerce
Packagist
≥ 4.0.0
< 4.10.2
4.10.2
craftcms/commerce
Packagist
≥ 5.0.0
< 5.5.3
5.5.3

References

Frequently Asked Questions

What is CVE-2026-29173?
CVE-2026-29173 is a security vulnerability in Craftcms/commerce involving Craft Commerce is Vulnerable to Stored XSS while updating Order Status from Orders Table under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Craftcms/commerce versions are affected?
Affected versions include releases prior to 4.10.2, 5.5.3 across affected packages: craftcms/commerce.
What version fixes CVE-2026-29173?
Upgrading to 4.10.2, 5.5.3 (or the latest patched release for your respective branch) resolves the vulnerability.
Is craftcms/commerce affected?
Yes, craftcms/commerce is affected in releases prior to 4.10.2, 5.5.3. Upgrade your dependency to 4.10.2, 5.5.3 or later.
What CWE is associated with CVE-2026-29173?
CVE-2026-29173 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check Packagist dependencies for CVE-2026-29173?
Run the dependency tree command: 'inspect dependencies for craftcms/commerce'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-mqxf-2998-c6cp",
  "modified" : "2026-03-10T22:55:16Z",
  "published" : "2026-03-10T18:23:17Z",
  "aliases" : [ "CVE-2026-29173" ],
  "summary" : "Craft Commerce is Vulnerable to Stored XSS while updating Order Status from Orders Table",
  "details" : "## Summary\nA stored XSS vulnerability exists when a user tries to update the Order Status from the Commerce Orders Table. The Order Status Name is rendered without proper escaping, allowing script execution to occur.\n\n---\n## Proof of Concept\n### Required Permissions\n- Admin access (to edit/create Order Statuses)\n\n### Steps to Reproduce\n1. Log in with an admin account\n2. Navigate to **Commerce** → **Settings** → **Order Statuses**\n3. Create a new order status\n4. Set the **Name** field to:\n```html\n<img src=x onerror=\"alert('Order Statuses XSS')\">\n```\n5. Save the order status\n6. Go to Commerce → Orders (make sure you placed any orders)\n7. From the left panel, select any Order Status (e.g., New)\n8. Select any order from the orders table → Click on the Gear Icon → then click \"Update Order Status...\"\n9. Notice the XSS execution",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "craftcms/commerce"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.0.0"
      }, {
        "fixed" : "4.10.2"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 4.10.1"
    }
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "craftcms/commerce"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "5.0.0"
      }, {
        "fixed" : "5.5.3"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 5.5.2"
    }
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/craftcms/commerce/security/advisories/GHSA-mqxf-2998-c6cp"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-29173"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/craftcms/commerce/commit/60cdc505c03b6fa2f59715e8c060114b66334afa"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/craftcms/commerce/commit/a2ea853935ef03297ea1298bdb0d8c55ec5daf7b"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/craftcms/commerce"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-03-10T18:23:17Z",
    "nvd_published_at" : "2026-03-10T20:16:38Z"
  }
}