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CVE-2026-84793 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

Craft CMS versions from 5.0.0-RC1 before 5.10.11 contain a stored cross-site scripting vulnerability in the site name field that fails to sanitize input. Administrators can inject arbitrary JavaScript payloads in the site name that execute when other users view the control panel settings pages.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:4.8 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CNA: [email protected]CVSS-B:4.8 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/craftcms/cms/security/advisories/GHSA-5fjj-496j-2qqf	CISA-ADP	AdvisoryExploitVendor
https://github.com/craftcms/cms/security/advisories/GHSA-5fjj-496j-2qqf	[email protected]	AdvisoryExploitVendor
https://www.vulncheck.com/advisories/craft-cms-5.0.0-rc1-before-5.10.11-stored-xss-via-site-name	[email protected]	Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

Product	Versions
Craft CMS	>= 5.0.0-RC1, < 5.10.11 (semver)
CPE cpe:2.3:a:craftcms:craft_cms:::::::: Remediation Upgrade: 5.10.11moderate effort

Change History

2 change records found show changes

Date	Action	Recorded By
Sep 2, 2026	CVE Modified	CISA-ADP
Sep 2, 2026	New CVE Received	[email protected]