VULNERABILITY INTELLIGENCE
CVE-2026-11589
CVSS score8.8 HIGH
EPSS probability0.51%
CISA KEVNot currently listed
Published2026-06-30
Last modified2026-06-30
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
The WP Support Plus Responsive Ticket System WordPress plugin through 9.1.2 does not properly validate uploaded files, allowing unauthenticated users to upload files containing malicious JavaScript (such as HTML or SVG) to a publicly accessible location, leading to Stored Cross-Site Scripting attacks against site users and administrators.