YesWiki before 4.7.0 contains a sql injection vulnerability in despam.php where the from parameter is escaped but placed in an unquoted INTERVAL position. Authenticated administrators can inject SQL via the from POST parameter to perform blind reads of the database including user password hashes.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0