Threat intelligence

B2Bking <= 5.6.07 - Unauthenticated Stored Cross-Site Scripting

CVE-2026-66598 · b2bking

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run B2bking at a vulnerable version. How SiteRespond intelligence works

Vulnerability: B2Bking <= 5.6.07 - Unauthenticated Stored Cross-Site Scripting
Affected software: b2bking(Plugin)
Affected versions: ≤ 5.6.07
Authentication: Unauthenticated
Vulnerability type: Cross-site scripting
CVE: CVE-2026-66598
Published: 19 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 a6e3d62c-c959-4352-bec7-57855c4f4547). Methodology and redistribution notes

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