Threat intelligence

HBook <= 2.1.9 - Unauthenticated Stored Cross-Site Scripting via Multiple Parameters

CVE-2026-8143 · hbook

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

Vulnerability: HBook <= 2.1.9 - Unauthenticated Stored Cross-Site Scripting via Multiple Parameters
Affected software: hbook(Plugin)
Affected versions: ≤ 2.1.9
Authentication: Unauthenticated
Vulnerability type: Cross-site scripting
CVE: CVE-2026-8143
Published: 29 July 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 e1c16bcb-c188-4e01-9d0b-e4e1a1ef82ee). Methodology and redistribution notes

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