Answer in brief
CVE-2026-11589 records a High severity (CVSS 8.8) vulnerability in WP Support Plus Responsive Ticket System <= 9.1.2 - Unauthenticated Stored XSS via File Upload. The current sources do not mark it as known exploited. The current feed maps Unknown/WP Support Plus Responsive Ticket System (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Unknown/WP Support Plus Responsive Ticket System (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/WP Support Plus Responsive Ticket Systemgeneric | 0 | Not reported |
Published upstream
Jun 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 30, 2026
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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-11589 records a High severity (CVSS 8.8) vulnerability in WP Support Plus Responsive Ticket System <= 9.1.2 - Unauthenticated Stored XSS via File Upload. The current sources do not mark it as known exploited. The current feed maps Unknown/WP Support Plus Responsive Ticket System (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Unknown/WP Support Plus Responsive Ticket System (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/WP Support Plus Responsive Ticket Systemgeneric | 0 | Not reported |
Published upstream
Jun 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jun 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 30, 2026
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.
Quoted source text, attributed separately from HOL analysis.