CVE-2026-115955
Received Received - Intake

Stored XSS in Advanced Post Block WordPress Plugin

Publication date: 2026-10-26

Last updated on: 2026-10-26

Assigner: Patchstack

Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in bPlugins Advanced Post Block - Post Grid for WordPress block editor advanced-post-block allows Stored XSS.This issue affects Advanced Post Block - Post Grid for WordPress block editor: from n/a through 2.5.1.

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Meta Information

Published
2026-10-26
Last Modified
2026-10-26
Generated
2026-10-26
AI Q&A
2026-10-26
EPSS Evaluated
N/A
NVD
CVE-2026-115955
EUVD
EUVD-2026-109733

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
bPlugins Advanced Post Block - Post Grid for WordPress block editor 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 WordPress plugin Advanced Post Block - Post Grid. It allows attackers to inject malicious scripts into web pages by exploiting improper input neutralization during page generation. The vulnerability exists in versions up to 2.5.1.

Detection Guidance

To detect this vulnerability, check the installed version of the Advanced Post Block - Post Grid for WordPress plugin. If it is version 2.5.1 or below, the system is vulnerable. Use commands like 'wp plugin list' in WordPress or inspect the plugin files for version details.

Impact Analysis

An attacker could exploit this to inject scripts that steal visitor data, hijack user accounts, or perform unauthorized actions. Successful exploitation requires a privileged user account like Contributor or Developer to trigger the malicious payload.

Compliance Impact

This XSS vulnerability could lead to data breaches, compromising personal or sensitive data. This may violate GDPR (data protection) and HIPAA (health information) requirements for safeguarding user data, potentially resulting in legal penalties.

Mitigation Strategies

Immediately update the Advanced Post Block - Post Grid for WordPress plugin to version 2.5.2 or later. If auto-updates are available, enable them. Remove or disable the plugin if an update is not possible.

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