Threat intelligence

Profile Extra Fields by BestWebSoft <= 1.3.4 - Authenticated (Subscriber+) Stored Cross-Site Scripting

CVE-2026-66456 · profile-extra-fields

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

Vulnerability: Profile Extra Fields by BestWebSoft <= 1.3.4 - Authenticated (Subscriber+) Stored Cross-Site Scripting
Affected software: profile-extra-fields(Plugin)
Affected versions: ≤ 1.3.4
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-66456
Published: 7 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 700ef470-dfa9-498f-b4a4-57b85a349f35). Methodology and redistribution notes

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