CVE-2026-11880: CWE-639 Authorization Bypass Through User-Controlled Key in Fluent Forms
The Fluent Forms WordPress plugin before 6.2.1 does not properly verify ownership before processing a subscription cancellation request, allowing authenticated users with a low-privilege account to cancel subscriptions belonging to other users.
AI Analysis
Technical Summary
The Fluent Forms WordPress plugin versions prior to 6.2.1 do not properly verify that a user owns a subscription before processing a cancellation request. This flaw allows authenticated users with low privilege accounts to cancel subscriptions of other users, constituting an authorization bypass (CWE-639). The vulnerability does not impact confidentiality or availability but can cause limited integrity issues by allowing unauthorized subscription cancellations. No official patch or remediation level is currently confirmed in the provided data.
Potential Impact
An attacker with a low-privilege authenticated account can cancel subscriptions of other users without proper authorization. This results in an integrity impact by unauthorized modification of subscription status. There is no impact on confidentiality or availability. The overall severity is low based on the CVSS score of 3.1.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict subscription cancellation capabilities to trusted users only and monitor for suspicious cancellation activities. Avoid granting unnecessary authenticated access that could exploit this vulnerability.
CVE-2026-11880: CWE-639 Authorization Bypass Through User-Controlled Key in Fluent Forms
Description
The Fluent Forms WordPress plugin before 6.2.1 does not properly verify ownership before processing a subscription cancellation request, allowing authenticated users with a low-privilege account to cancel subscriptions belonging to other users.
CVSS v3.1
Score 3.1low
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Fluent Forms WordPress plugin versions prior to 6.2.1 do not properly verify that a user owns a subscription before processing a cancellation request. This flaw allows authenticated users with low privilege accounts to cancel subscriptions of other users, constituting an authorization bypass (CWE-639). The vulnerability does not impact confidentiality or availability but can cause limited integrity issues by allowing unauthorized subscription cancellations. No official patch or remediation level is currently confirmed in the provided data.
Potential Impact
An attacker with a low-privilege authenticated account can cancel subscriptions of other users without proper authorization. This results in an integrity impact by unauthorized modification of subscription status. There is no impact on confidentiality or availability. The overall severity is low based on the CVSS score of 3.1.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict subscription cancellation capabilities to trusted users only and monitor for suspicious cancellation activities. Avoid granting unnecessary authenticated access that could exploit this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-06-10T13:23:48.881Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a44f13827e9c797195bba6d
Added to database: 07/01/2026, 10:51:36 UTC
Last enriched: 07/01/2026, 11:06:44 UTC
Last updated: 07/02/2026, 02:04:30 UTC
Views: 15
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