CVE-2026-14565
Received Received - Intake

Stored Cross-Site Scripting in Advanced Customized Prompts WordPress Plugin

Publication date: 2026-09-11

Last updated on: 2026-09-11

Assigner: WPScan

Description
The advanced-customized-prompts WordPress plugin through 1.0.1 does not perform any capability, ownership, or nonce check before saving popup configuration to a product, nor escape the stored values on output, allowing any authenticated user such as a subscriber to store JavaScript that executes in the browser of visitors viewing the affected product.

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Meta Information

Published
2026-09-11
Last Modified
2026-09-11
Generated
2026-09-11
AI Q&A
2026-09-11
EPSS Evaluated
N/A
NVD
CVE-2026-14565
EUVD
EUVD-2026-75962

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
advanced_customized_prompts advanced_customized_prompts to 1.0.1 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is a stored Cross-Site Scripting (XSS) vulnerability in the Advanced Customized Prompts WordPress plugin version 1.0.1 or below. It allows any authenticated user, including subscribers, to inject malicious JavaScript into popup configurations for products. The plugin does not perform capability, ownership, or nonce checks before saving these configurations, nor does it escape the stored values when displaying them.

Detection Guidance

Check for the presence of the Advanced Customized Prompts plugin version 1.0.1 or below. Inspect product pages for unexpected JavaScript in popup configurations. Look for stored XSS payloads in the plugin's database entries.

Impact Analysis

An attacker could exploit this to inject JavaScript that runs in the browsers of visitors viewing the affected product. This could lead to theft of session cookies, account takeover, or defacement of the website. The impact depends on the privileges of the authenticated user injecting the script.

Compliance Impact

This vulnerability could lead to unauthorized access to user data, which may violate GDPR's data protection requirements or HIPAA's security rules for protected health information. Organizations using this plugin may face compliance violations if user data is compromised due to the XSS attack.

Mitigation Strategies

Disable the Advanced Customized Prompts plugin immediately. Monitor for unauthorized changes to product pages. Consider implementing a web application firewall to block XSS attempts. Check for signs of exploitation in server logs.

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