What’s Vulnerable › Vulnerabilities
CVE-2026-11589: WP Support Plus Responsive Ticket System <= 9.1.2 - Unauthenticated Stored XSS via File Upload
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-30 · updated 2026-06-30
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.
Affected products
- WP Support Plus Responsive Ticket System: through 9.1.2
References
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