5.4 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
The plugin does not sanitize and escapes some parameters, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.
1. Add a new post and add the payload there: [evp_embed_video url='" onerror=alert(/XSS/) "']
2. Preview the post, and the XSS will trigger.