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CVE-2026-56381

MEDIUM
4.8
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-56381
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-06-21 02:05 UTC
Published
2026-06-21 13:26 UTC
Last updated
2026-06-21 13:26 UTC
Primary CWE
CWE-79
Improper Neutralization of Input During Web Page Generation …
Vendor / Product
craftcms / cms
Sources
cve.org  ·  NVD

Severity & Metrics

4.8 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Affected products (1)
VendorProductPlatformVersions
craftcms cms — 5.0.0-RC1 < 5.8.22, 5.8.22
Weakness (CWE)
CWESourceDescription
CWE-79 cna Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS scores (2)
ScoreSeverityVersionSourceVector
4.8 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
4.6 MEDIUM 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
References (2)
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