CVE-2025-15691: CWE-863 Incorrect Authorization in WPFunnels
Description
The WPFunnels WordPress plugin before 3.13.0 does not check whether user registration is enabled on the site before creating accounts from opt-in form submissions, relying on a value supplied in the request instead, allowing unauthenticated attackers to create WordPress user accounts even when registration is disabled. This is an incomplete fix for CVE-2025-12353: the check added in 3.6.3 covers only one of the three registration paths.
CVSS v3.1
Score 5.3medium
Affected software
WPFunnels
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-15691 describes an incorrect authorization vulnerability (CWE-863) in the WPFunnels WordPress plugin before version 3.13.0. The plugin fails to properly check whether user registration is enabled on the site before creating accounts from opt-in form submissions, instead trusting a value supplied in the request. This allows unauthenticated attackers to create WordPress user accounts even if registration is disabled. The issue is a partial fix regression of CVE-2025-12353, as the check added in version 3.6.3 only covers one of three registration paths, leaving others vulnerable.
Potential Impact
An unauthenticated attacker can create WordPress user accounts on sites using vulnerable versions of WPFunnels, bypassing the intended restriction when user registration is disabled. This could lead to unauthorized account creation and potential privilege escalation depending on site configuration. The CVSS score of 5.3 (medium severity) reflects limited impact on confidentiality and availability but a clear integrity impact due to unauthorized account creation.
Mitigation Recommendations
No official patch or fix is currently confirmed for this vulnerability. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, site administrators should consider disabling or removing the WPFunnels plugin or restricting access to the opt-in form endpoints to trusted users only.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-08-25T09:32:53.676Z
- State
- PUBLISHED
Threat ID: 6a9a6739acd9273b492ab3e3
Added to database: 09/04/2026, 06:37:45 UTC
Last enriched: 09/07/2026, 12:25:33 UTC
Last updated: 10/19/2026, 06:48:11 UTC
Views: 73
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