What is CVE-2026-29173?

CVE-2026-29173 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-2026-29173?

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

XSS in Craftcms Commerce

CVE-2026-29173

Craft Commerce is an ecommerce platform for Craft CMS. Prior to 4.10.2 and 5.5.3, 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. This vulnerability is fixed in 4.10.2 and 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: 0.004 (28.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

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-mqxf-2998-c6cp (Exploit, Vendor Advisory)
github.com/craftcms/commerce/commit/60cdc505c03b6fa2f59715e8c060114b66334afa (Patch)
github.com/craftcms/commerce/commit/a2ea853935ef03297ea1298bdb0d8c55ec5daf7b (Patch)

Frequently asked questions

What is CVE-2026-29173?: CVE-2026-29173 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-2026-29173?: Medium severity. CVSS v3 base score is 4.8 out of 10.