What is CVE-2026-29176?

CVE-2026-29176 is a medium-severity vulnerability in Craftcms Commerce, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-03-10.

How severe is CVE-2026-29176?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Craftcms Commerce

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-03-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (14.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000

Affected products

Craftcms Commerce — versions >= 4.0.0 < 4.10.2, >= 5.0.0 < 5.5.3
Craftcms Craft Commerce

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/craftcms/commerce/security/advisories/GHSA-wj89-2385-gpx3 (Vendor Advisory)
github.com/craftcms/commerce/commit/da143df084563ddf0929d7c261bcc11d312e8004 (Patch)

Frequently asked questions

What is CVE-2026-29176?: CVE-2026-29176 is a medium-severity vulnerability in Craftcms Commerce, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-03-10.
How severe is CVE-2026-29176?: Medium severity. CVSS v3 base score is 4.8 out of 10.