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Vulnerability record · CVE-2026-11589 · published 30 June 2026

CVE-2026-11589: The WP Support Plus Responsive Ticket System WordPress plugin through 9.1.2 does not properly validate uploade…

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.

8.8 CVSS 3.1 High EPSS 0.51% · top 59.3% Deferred
8.8CVSS 3.1 base score
0.51%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
30 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

LinkTags
https://wpscan.com/vulnerability/c46479c2-4eef-485f-ae98-1f487efa4263/

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Source: NIST National Vulnerability Database (record CVE-2026-11589), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.