What is the severity of CVE-2025-23459?

CVE-2025-23459 is classified as a Reflected Cross-Site Scripting (XSS) vulnerability which can have severe implications for web application security.

How do I fix CVE-2025-23459?

To fix CVE-2025-23459, upgrade the NotFound NS Simple Intro Loader to version 2.2.4 or later.

Which versions of NS Simple Intro Loader are affected by CVE-2025-23459?

CVE-2025-23459 affects all versions of NS Simple Intro Loader from n/a through 2.2.3.

What is Reflected XSS as seen in CVE-2025-23459?

Reflected XSS, as demonstrated in CVE-2025-23459, occurs when user input is improperly handled and reflected back to the browser, allowing an attacker to execute malicious scripts.

Is CVE-2025-23459 only affecting NotFound NS Simple Intro Loader?

No, CVE-2025-23459 also affects the WordPress version of NS Simple Intro Loader up to version 2.2.3.

Vulnerability/
CVE-2025-23459

high

7.1

CWE

26/3/2025

27/3/2025

CVE-2025-23459: WordPress NS Simple Intro Loader plugin <= 2.2.3 - Reflected Cross Site Scripting (XSS) vulnerability

First published: Wed Mar 26 2025(Updated: )

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.

Credit: audit@patchstack.com

Affected Software	Affected Version	How to fix
NotFound NS Simple Intro Loader	<=2.2.3
WordPress NS Simple Intro Loader	<=2.2.3

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Reference Links

https://patchstack.com/database/wordpress/plugin/ns-simple-intro-loader/vulnerability/wordpress-ns-simple-intro-loader-plugin-2-2-3-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Frequently Asked Questions

What is the severity of CVE-2025-23459?
CVE-2025-23459 is classified as a Reflected Cross-Site Scripting (XSS) vulnerability which can have severe implications for web application security.
How do I fix CVE-2025-23459?
To fix CVE-2025-23459, upgrade the NotFound NS Simple Intro Loader to version 2.2.4 or later.
Which versions of NS Simple Intro Loader are affected by CVE-2025-23459?
CVE-2025-23459 affects all versions of NS Simple Intro Loader from n/a through 2.2.3.
What is Reflected XSS as seen in CVE-2025-23459?
Reflected XSS, as demonstrated in CVE-2025-23459, occurs when user input is improperly handled and reflected back to the browser, allowing an attacker to execute malicious scripts.
Is CVE-2025-23459 only affecting NotFound NS Simple Intro Loader?
No, CVE-2025-23459 also affects the WordPress version of NS Simple Intro Loader up to version 2.2.3.

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vendor/notfound
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vendor/wordpress
canonical/wordpress ns simple intro loader

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