CVE-2026-11589
WP Support Plus Responsive Ticket System <= 9.1.2 - Unauthenticated Stored XSS via File Upload
- Published
- Jun 30, 2026
- Updated
- Jun 30, 2026
- Assigning CNA
- WPScan
- Evidence observed
- Sep 26, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 42.0%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
A community-curated, verified collection of Proof-of-Concept exploits for CVEs disclosed in 2026.
Responsible use
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