Knowledge Base for Documentation, FAQs with AI Assistance <= 17.211.0 - Unauthenticated Stored Cross-Site Scripting

7.2
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-28187
CVSS 7.2 (High)
Publicly Published August 13, 2026
Last Updated August 15, 2026
Researcher Coopernicus

Description

The Knowledge Base for Documentation, FAQs with AI Assistance plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 17.211.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

References

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Vulnerability Details for Echo Knowledge Base – Documentation, FAQs, Chat & Smart Search

Software Type Plugin
Software Slug echo-knowledge-base (view on wordpress.org)
Patched? Yes
Remediation Update to version 17.212.0, or a newer patched version
Affected Version
  • <= 17.211.0
Patched Version
  • 17.212.0

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