phpMyFAQ is Vulnerable to Stored XSS via Unsanitized Email Field in Admin FAQ Editor

Summary An unauthenticated attacker can submit a guest FAQ with an email address that is syntactically valid per RFC 5321 quoted local part yet contains raw HTML — for example "alert1"@evil.com. PHP's FILTERVALIDATEEMAIL accepts this email as valid. The email is stored in the database without HTM...