CVE-2026-103694: CWE-269 Improper Privilege Management in Mobile builder
Description
The Mobile builder WordPress plugin through 1.4.2 does not properly restrict which user meta keys a logged-in user can update through one of its REST routes, allowing any user with a self-registered account, such as a customer, to grant themselves the administrator role.
CVSS v3.1
Score 8.8high
Affected software
Mobile builder
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-103694 is an improper privilege management vulnerability (CWE-269) in the Mobile builder WordPress plugin through version 1.4.2. The plugin does not properly restrict which user meta keys can be updated by logged-in users through a REST API endpoint. This allows any authenticated user, including those with self-registered accounts, to modify their user meta data to grant themselves the administrator role, effectively escalating their privileges within the WordPress site.
Potential Impact
An attacker with a self-registered account can escalate their privileges to administrator, gaining full control over the affected WordPress site. This can lead to unauthorized access, site defacement, data theft, or further compromise of the hosting environment.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict user registration or disable the vulnerable REST route if possible. Monitor for updates from the plugin vendor and apply patches promptly once released.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-10-01T09:46:54.241Z
- State
- PUBLISHED
Threat ID: 6acb2ddc2cdf04f656b78cd7
Added to database: 10/11/2026, 06:34:04 UTC
Last enriched: 10/11/2026, 07:18:49 UTC
Last updated: 10/11/2026, 21:33:42 UTC
Views: 3
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