CVE-2026-84793

MEDIUM CVSS 4.0: 4.8 EPSS 0.15%
Updated Sep 02, 2026
Craft
Parameter Value
CVSS 4.8 (MEDIUM)
Affected Versions before 5.10.11
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor Craft
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
High
Admin privileges needed
User Interaction
Passive
Minimal interaction

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0