CVE-2026-90972: CWE-284 Improper Access Control in WP Fusion Lite
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.
AI Analysis
Technical Summary
CVE-2026-90972 describes an improper access control vulnerability (CWE-284) in the WP Fusion Lite WordPress plugin prior to version 3.48.0. The plugin fails to perform capability checks on two administrative AJAX handlers, enabling authenticated subscriber-level users to access email addresses of other users and initiate CRM re-synchronization actions on behalf of other users. This vulnerability affects all versions from initial releases up to but not including 3.48.0.
Potential Impact
An attacker with subscriber-level authentication privileges can read email addresses of other users and trigger CRM re-sync operations for those users. This leads to partial confidentiality and integrity impacts, as reflected by the CVSS score of 5.4 (medium severity). There is no indication of availability impact or known exploitation in the wild.
Mitigation Recommendations
Upgrade WP Fusion Lite to version 3.48.0 or later, where the vulnerability is fixed by adding proper capability checks to the affected AJAX handlers. No other mitigation is indicated or required.
CVE-2026-90972: CWE-284 Improper Access Control in WP Fusion Lite
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.
CVSS v3.1
Score 5.4medium
Affected software
WP Fusion Lite
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-90972 describes an improper access control vulnerability (CWE-284) in the WP Fusion Lite WordPress plugin prior to version 3.48.0. The plugin fails to perform capability checks on two administrative AJAX handlers, enabling authenticated subscriber-level users to access email addresses of other users and initiate CRM re-synchronization actions on behalf of other users. This vulnerability affects all versions from initial releases up to but not including 3.48.0.
Potential Impact
An attacker with subscriber-level authentication privileges can read email addresses of other users and trigger CRM re-sync operations for those users. This leads to partial confidentiality and integrity impacts, as reflected by the CVSS score of 5.4 (medium severity). There is no indication of availability impact or known exploitation in the wild.
Mitigation Recommendations
Upgrade WP Fusion Lite to version 3.48.0 or later, where the vulnerability is fixed by adding proper capability checks to the affected AJAX handlers. No other mitigation is indicated or required.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-09-14T13:39:02.481Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abe7497a43b0b3b89bd1d23
Added to database: 10/01/2026, 14:56:23 UTC
Last enriched: 10/01/2026, 15:24:32 UTC
Last updated: 10/02/2026, 01:17:42 UTC
Views: 7
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