CVE-2026-11589

HIGH

CVSS v3.1: 8.8 · EPSS: 0.0017 (7.0 percentile)

NetworkNo privilegesVendor advisory ref

Source data as of:

At a glance

Severity
HIGH
CVSS
8.8 v3.1 · NVD
EPSS
0.0017 (7.0 percentile) · FIRST.org
CISA KEV
No
Attack conditions (CVSS vector)
NetworkNo privileges · Source: NVD Vector
Published
2026-06-30 · Modified: 2026-06-30
References
Jump to references (1)

CVSS / EPSS / KEV

CVSS v3.1 8.8 / 10 HIGH Source: NVD
EPSS 0.0017 7.0 percentile Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

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.

Record details

CVE ID
CVE-2026-11589
CVSS (v3.1)
8.8 (HIGH)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability subscore
2.8
Impact subscore
5.9
EPSS
0.0017 (7.0 percentile) — 2026-07-01
CISA KEV
No
Affected configurations (CPE)
0
Published
2026-06-30
Modified
2026-06-30
Status
Deferred

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.

Related records

Other records sharing a factual facet, for cross-reference. A descriptive neighbourhood — ordering does not imply priority and is not a recommendation.

Published the same year

CVE-2026-10134 CRITICAL CVSS 10.0 CVE-2026-20223 CRITICAL CVSS 10.0 CVE-2026-48276 CRITICAL CVSS 10.0 CVE-2026-48277 CRITICAL CVSS 10.0
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