What happened
The WP-Invoice WordPress plugin through 4.3.1 does not perform capability checks in several of its AJAX handlers, allowing any authenticated user, such as a Subscriber, to retrieve the email addresses, display names and profile details of all registered users.
Affected versions
WP-Invoice: 0 through 4.3.1 (semver) Fixed: See vendor advisory.
Why it matters
Review the vendor advisory and exposure of the affected product to determine operational impact.
Detection & mitigation
- Apply vendor-provided updates or mitigations.
- Review affected product exposure and access logs.
Public PoC references
No public PoC reference has passed the current publication threshold.