CVE-2026-56381

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

4.8 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N                                    

Vulnerability Description

Craft CMS from version 5.0.0-RC1 contains a stored cross-site scripting vulnerability in the User Permissions page where user group names are rendered without proper HTML escaping. Attackers with admin access can inject arbitrary JavaScript via the user group name field that executes when other users view or edit permissions.

Vulnerability Details

Published Date

June 21, 2026

Last Modified

June 21, 2026

CWE ID

CWE-79

Source

NVD

Vendor

craftcms

Product

cms

External References

https://github.com/craftcms/cms/security/advisories/GHSA-g3hp-vvqf-8vw6
https://www.vulncheck.com/advisories/craft-cms-stored-xss-via-user-group-name-in-user-permissions-page

CVE-2026-56381

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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