CVE-2026-29177: Craftcms/commerce Remote Code Execution Vulnerability

LOW
Advisory Identifier: GHSA-mj32-r678-7mvp
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CWE-79
Published
Advisory Summary

CVE-2026-29177 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 has stored xss in craft commerce order details slideout. Remediation is available by upgrading affected packages to version 4.10.2, 5.5.3.

CVE-2026-29177 at a Glance

CVE Identifier CVE-2026-29177
GHSA Identifier GHSA-mj32-r678-7mvp
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-2026-29177

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-2026-29177, 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 Cross-Site Scripting (XSS) vulnerability exists in the Craft Commerce Order details. Malicious JavaScript can be injected via the **Shipping Method Name**, **Order Reference**, or **Site Name**. When a user opens the order details slideout via a double-click on the order index page, the injected payload executes. ## Reproduction Steps 1. Navigate to **Commerce** -> **Store Management** -> **Shipping Methods**. 1. Click "New Shipping Method". 1. In the **Name** field, enter the following XSS payload: ```html <img src=x onerror=alert('XSS_Shipping')> ``` 1. Save the Shipping Method. 1. Place a new order or edit an existing order. 1. Set the order's **Shipping Method** to the one created in the previous steps. 1. Navigate to the **Orders** index page (`/admin/commerce/orders`). 1. Double-click the target order to open the details slideout. 1. **Result**: The XSS payload executes.

CVE-2026-29177 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

GitHub Advisory / Wiki ADVISORY
https://github.com/craftcms/commerce/security/advisories/GHSA-mj32-r678-7mvp
NVD — CVE-2026-29177 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-29177
Security Fix Commit FIX COMMIT
https://github.com/craftcms/commerce/commit/b0683e04773f16bba6af9df18aab495fc5dde68a
Craftcms/commerce Source Repository REPOSITORY
https://github.com/craftcms/commerce

Frequently Asked Questions

What is CVE-2026-29177?
CVE-2026-29177 is a security vulnerability in Craftcms/commerce involving Craft Commerce has stored XSS in Craft Commerce Order Details Slideout 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-2026-29177?
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-2026-29177?
CVE-2026-29177 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-2026-29177?
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-mj32-r678-7mvp",
  "modified" : "2026-03-10T22:55:02Z",
  "published" : "2026-03-10T18:24:18Z",
  "aliases" : [ "CVE-2026-29177" ],
  "summary" : "Craft Commerce has stored XSS in Craft Commerce Order Details Slideout",
  "details" : "## Summary\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the Craft Commerce Order details. Malicious JavaScript can be injected via the **Shipping Method Name**, **Order Reference**, or **Site Name**. When a user opens the order details slideout via a double-click on the order index page, the injected payload executes.\n\n## Reproduction Steps\n1. Navigate to **Commerce** -> **Store Management** -> **Shipping Methods**.\n1. Click \"New Shipping Method\".\n1. In the **Name** field, enter the following XSS payload:\n    ```html\n    <img src=x onerror=alert('XSS_Shipping')>\n    ```\n1. Save the Shipping Method.\n1. Place a new order or edit an existing order.\n1. Set the order's **Shipping Method** to the one created in the previous steps.\n1. Navigate to the **Orders** index page (`/admin/commerce/orders`).\n1. Double-click the target order to open the details slideout.\n1. **Result**: The XSS payload executes.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P"
  } ],
  "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-mj32-r678-7mvp"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-29177"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/craftcms/commerce/commit/b0683e04773f16bba6af9df18aab495fc5dde68a"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/craftcms/commerce"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-03-10T18:24:18Z",
    "nvd_published_at" : "2026-03-10T20:16:39Z"
  }
}