CVE-2026-100186 User Profile Builder WordPress Plugin - Stored XSS

User Profile Builder WordPress plugin <= 4.0.3 contains a stored cross-site scripting caused by insufficient input sanitization and output escaping in the First Name field, letting unauthenticated attackers execute arbitrary scripts when Email Confirmation is enabled.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
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