CVE-2026-11589
WP Support Plus Responsive Ticket System <= 9.1.2 - Unauthenticated Stored XSS via File Upload
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.
INFO
Published Date :
June 30, 2026, 6 a.m.
Last Modified :
June 30, 2026, 6 a.m.
Remotely Exploit :
No
Source :
WPScan
Affected Products
The following products are affected by CVE-2026-11589
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update the WP Support Plus Responsive Ticket System plugin.
- Ensure file upload validation is enabled.
- Remove any previously uploaded malicious files.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-11589 vulnerability anywhere in the article.