CVE-2025-23459

WordPress NS Simple Intro Loader plugin <= 2.2.3 - Reflected Cross Site Scripting (XSS) vulnerability

7.1 High

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NsThemes NS Simple Intro Loader ns-simple-intro-loader allows Reflected XSS.This issue affects NS Simple Intro Loader: from n/a through <= 2.2.3.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.37%Up 0.3 points since Mar 27, 2025

What each source reports

CVE List Score used 7.1

WordPress NS Simple Intro Loader plugin <= 2.2.3 - Reflected Cross Site Scripting (XSS) vulnerability

Record: CVE-2025-23459
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-8199 7.1

Record: EUVD-2025-8199
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-qcw6-3cfv-2mjg 7.1

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NotFound NS Simple Intro Loader allows Reflected XSS. This issue affects NS Simple Intro Loader: from n/a through 2.2.3.

Record: GHSA-qcw6-3cfv-2mjg
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 7.1

Record: CVE-2025-23459
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-23459 is a high vulnerability (CVSS 7.1) in Notfound Ns Simple Intro Loader, published March 26, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 31st percentile. No source names a fixed version.