WP Fusion Lite: Subscriber access to user emails and CRM resynchronization
The WP Fusion Lite WordPress plugin before 3.48.0 does not perform a capability check on two of its admin AJAX handlers, allowing any authenticated subscriber to read other users' email addresses and to trigger a cross-user CRM re-sync. The authoritative export identifies the fixed release as 3.48.0.
- Component
- WP Fusion Lite
- Plugin slug
wp-fusion-lite- Affected
- < 3.48.0
- Safe version
3.48.0- Published
- Oct 01, 2026
- Weakness
- Not assigned
This CVE was published Oct 01, 2026 and is one of 6 known issues for this plugin.
Update, patch or deactivate.
Update WP Fusion Lite to 3.48.0 or a later supported release. Require the intended capability and object ownership for both AJAX handlers before returning email addresses or resynchronizing another user.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The WP Fusion Lite WordPress plugin before 3.48.0 does not perform a capability check on two of its admin AJAX handlers, allowing any authenticated subscriber to read other users' email addresses and to trigger a cross-user CRM re-sync.