CVE-2026-29176: Craftcms/commerce Remote Code Execution Vulnerability

MODERATE
Advisory Identifier: GHSA-wj89-2385-gpx3
Share
CWE-79
Published
Advisory Summary

CVE-2026-29176 is a MODERATE 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 has stored xss in inventory location name. Remediation is available by upgrading affected packages to version 5.5.3.

CVE-2026-29176 at a Glance

CVE Identifier CVE-2026-29176
GHSA Identifier GHSA-wj89-2385-gpx3
Severity MODERATE
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-2026-29176

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: 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-2026-29176, 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 5.5.3), 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 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.

CVE-2026-29176 Affected Craftcms/commerce Versions

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

References

GitHub Advisory / Wiki ADVISORY
https://github.com/craftcms/commerce/security/advisories/GHSA-wj89-2385-gpx3
NVD — CVE-2026-29176 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-29176
Security Fix Commit FIX COMMIT
https://github.com/craftcms/commerce/commit/da143df084563ddf0929d7c261bcc11d312e8004
Craftcms/commerce Source Repository REPOSITORY
https://github.com/craftcms/commerce

Frequently Asked Questions

What is CVE-2026-29176?
CVE-2026-29176 is a security vulnerability in Craftcms/commerce involving Craft Commerce has stored XSS in Inventory Location Name 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 5.5.3 across affected packages: craftcms/commerce.
What version fixes CVE-2026-29176?
Upgrading to 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 5.5.3. Upgrade your dependency to 5.5.3 or later.
What CWE is associated with CVE-2026-29176?
CVE-2026-29176 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-2026-29176?
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
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-wj89-2385-gpx3",
  "modified" : "2026-03-10T22:55:31Z",
  "published" : "2026-03-10T18:23:58Z",
  "aliases" : [ "CVE-2026-29176" ],
  "summary" : "Craft Commerce has stored XSS in Inventory Location Name",
  "details" : "## Summary\nA 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.\n\nThis XSS triggers when an administrator (or user with product editing permissions) creates or edits a variant product.\n\n## Proof of Concept\n\n### Permissions Required\n- General\n    - Access the control panel\n    - Access Craft Commerce\n\n- Craft Commerce\n    - Manage inventory locations\n\n### Steps to Reproduce\n\n1. Log in to the control panel\n2. Navigate to **Commerce → Inventory Locations**\n3. Create or edit a location\n4. Set **Name** to the following payload:\n    ```html\n    <img src=x onerror=\"alert('XSS')\">\n    ```\n5. Save the location\n6. Navigate to **Commerce → Products** and click \"New Product\" and click \"New product variant\"\n7. The Inventory Location table loads, rendering the **Inventory Location Name**\n8. XSS executes\n\n## Impact\n- Potential Session Hijacking\n- Potential Database Exfiltration\n- Potential Account Takeover by forcing a password change on the victim’s account.\n- Potential Privilege escalation, or creating new admin users.\n\n## Mitigation\nSanitize the inventory location name field when rendering in the \"Track Inventory\" table.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "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-wj89-2385-gpx3"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-29176"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/craftcms/commerce/commit/da143df084563ddf0929d7c261bcc11d312e8004"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/craftcms/commerce"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-03-10T18:23:58Z",
    "nvd_published_at" : "2026-03-10T20:16:38Z"
  }
}