WP Support Plus Responsive Ticket System <= 9.1.2 - Unauthenticated Stored XSS via File Upload
Priority MEDIUM 41Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00505 43rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | WP Support Plus Responsive Ticket System | up to 9.1.2 | — | No fix listed | CNA |
- WP Support Plus Responsive Ticket System VendorUnknown Affected up to 9.1.2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-11589
- 2026-10-03 Alias added: GHSA-w4vj-qmqh-q69w
References
Sources
- CVE-2026-11589 · CVE Program
- CVE-2026-11589 · NVD
- FIRST EPSS
- GHSA-w4vj-qmqh-q69w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences