OpenEMR before 8.5.0 contains an SQL injection vulnerability in the Syndromic Surveillance report because the form_icd_codes[] POST array i…

OpenEMR before 8.5.0 contains an SQL injection vulnerability in the Syndromic Surveillance report because the form_icd_codes[] POST array is concatenated into an unquoted numeric IN() clause without integer validation. Authenticated users can submit quote-free payloads that bypass add_escape_custom to perform blind or UNION-based injection and exfiltrate patient health information.