The Comments Import & Export WordPress plugin before 2.5.4 does not restrict its comment export to users able to moderate comments, nor scope the export to content owned by the requesting user, allowing users with the Author role and above to retrieve every comment on the site, including commenter email addresses, IP addresses, unapproved comment content and comment meta.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v3.1