CVE-2026-11589

CVE-2026-11589CVE-2026-11589

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.

Scoring

CVSS 8.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Last modified2026-06-30
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.