Name: CVE-2026-28187: Improper Neutralization of Input During Web Page Generation
Creator: Rapid7
Published: 2026-08-13T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-28187, CWE-79, CVSS 7.1, EPSS 0.00251

Unauthenticated Cross Site Scripting (XSS) in Knowledge Base for Documentation, FAQs with AI Assistance <= 17.211.0 versions.

CVSS Details

CVSS 3.1 Base Score: 7.1
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Echo Knowledge Base Plugin	—	Update echo-knowledge-base plugin to version 17.212.0, or a newer patched version	Aug 17, 2026	Aug 13, 2026

Prioritise with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence