OpenEMR before 8.5.0 contains an SQL injection vulnerability in the patient portal api/onsiteactivityviews endpoint that allows any authenticated staff user to inject SQL through unquoted Id_BitwiseAnd Criteria values. Attackers can close the bitwise parenthesis and append OR or UNION SELECT clauses to read patient PHI, staff password hashes, MySQL authentication strings, and API tokens.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v4.0