The JetEngine WordPress plugin before 3.8.13.1 does not sanitise uploaded SVG files before storing and serving them, and does not adequately restrict who can upload them, allowing unauthenticated attackers to upload a file containing malicious JavaScript that executes in the browser of any user who opens it (Stored Cross-Site Scripting).
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v3.1