CVE-2026-108168
Received Received - Intake

Stored XSS in Custom Query Blocks WordPress Plugin

Publication date: 2026-10-12

Last updated on: 2026-10-12

Assigner: Patchstack

Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in DLX Plugins Custom Query Blocks post-type-archive-mapping allows Stored XSS.This issue affects Custom Query Blocks: from n/a through 5.6.0.

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Meta Information

Published
2026-10-12
Last Modified
2026-10-12
Generated
2026-10-12
AI Q&A
2026-10-12
EPSS Evaluated
N/A
NVD
CVE-2026-108168
EUVD
EUVD-2026-97295

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
DLX Plugins Custom Query Blocks 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This is a Stored Cross-Site Scripting (XSS) vulnerability in the DLX Plugins Custom Query Blocks plugin. It occurs due to improper neutralization of input during web page generation, allowing malicious scripts to be stored and executed when users access affected pages.

Detection Guidance

This is a stored XSS vulnerability in the DLX Plugins Custom Query Blocks plugin. Detection requires checking for suspicious input handling in web forms or parameters related to the plugin's functionality. Review server logs for unusual JavaScript code submissions or payloads in user inputs.

Impact Analysis

An attacker could inject malicious scripts into web pages. When users view these pages, the scripts may steal sensitive data, hijack sessions, or perform unauthorized actions on their behalf. This could lead to account compromise or data breaches.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. Non-compliance may result in legal penalties and reputational damage.

Mitigation Strategies

Immediately update the Custom Query Blocks plugin to the latest version (5.6.0 or later). If an update is unavailable, disable the plugin temporarily. Implement input validation and output encoding for user-supplied data. Monitor for signs of exploitation in server logs.

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