CVE-2026-16291: CWE-639 Authorization Bypass Through User-Controlled Key in ProfileGrid
The ProfileGrid WordPress plugin before version 5.9.9.8 contains an authorization bypass vulnerability. It fails to verify that a notification belongs to the requesting user before allowing deletion. This flaw permits any authenticated user, including those with low privileges such as Subscribers, to delete notifications belonging to other users by enumerating notification IDs.
AI Analysis
Technical Summary
CVE-2026-16291 is an authorization bypass vulnerability in the ProfileGrid WordPress plugin prior to version 5.9.9.8. The plugin does not properly verify ownership of notifications before processing deletion requests. As a result, authenticated users can delete notifications of other users by enumerating notification identifiers, violating expected access controls. This issue is categorized under CWE-639: Authorization Bypass Through User-Controlled Key.
Potential Impact
Any authenticated user, regardless of privilege level, can delete notifications belonging to other users. This could lead to unauthorized modification or removal of user notifications, potentially disrupting user experience or hiding important alerts. There is no indication of further privilege escalation or data disclosure from the provided information.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users of the ProfileGrid plugin should monitor for an official update addressing this issue and apply it once available. Until then, consider restricting authenticated user roles or permissions if feasible to limit exposure.
CVE-2026-16291: CWE-639 Authorization Bypass Through User-Controlled Key in ProfileGrid
Description
The ProfileGrid WordPress plugin before version 5.9.9.8 contains an authorization bypass vulnerability. It fails to verify that a notification belongs to the requesting user before allowing deletion. This flaw permits any authenticated user, including those with low privileges such as Subscribers, to delete notifications belonging to other users by enumerating notification IDs.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-16291 is an authorization bypass vulnerability in the ProfileGrid WordPress plugin prior to version 5.9.9.8. The plugin does not properly verify ownership of notifications before processing deletion requests. As a result, authenticated users can delete notifications of other users by enumerating notification identifiers, violating expected access controls. This issue is categorized under CWE-639: Authorization Bypass Through User-Controlled Key.
Potential Impact
Any authenticated user, regardless of privilege level, can delete notifications belonging to other users. This could lead to unauthorized modification or removal of user notifications, potentially disrupting user experience or hiding important alerts. There is no indication of further privilege escalation or data disclosure from the provided information.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Users of the ProfileGrid plugin should monitor for an official update addressing this issue and apply it once available. Until then, consider restricting authenticated user roles or permissions if feasible to limit exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-07-20T12:19:42.905Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a6f99cabf32cb7a344bda5e
Added to database: 08/02/2026, 19:26:02 UTC
Last enriched: 08/02/2026, 19:29:20 UTC
Last updated: 08/03/2026, 02:24:49 UTC
Views: 7
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