Threat intelligence

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

CVE-2026-28187 · echo-knowledge-base

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Echo Knowledge Base at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Knowledge Base for Documentation, FAQs with AI Assistance <= 17.211.0 - Unauthenticated Stored Cross-Site Scripting
Affected software: echo-knowledge-base(Plugin)
Affected versions: ≤ 17.211.0
Authentication: Unauthenticated
Vulnerability type: Cross-site scripting
CVE: CVE-2026-28187
Published: 13 August 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory e78626b3-0648-4d0d-a4a3-6694c229863c). Methodology and redistribution notes

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