WPFunnels <= 3.12.8 - Authenticated (Funnel Manager+) Privilege Escalation via 'group_id' Path Parameter
| CVE | CVE-2026-15103 |
|---|---|
| CVSS | 8.8 (High) |
| Publicly Published | July 15, 2026 |
| Last Updated | July 16, 2026 |
| Researcher |
Wordfence PRISM
- Wordfence
|
Description
The WPFunnels – Funnel Builder for WooCommerce with Checkout & One Click Upsell plugin for WordPress is vulnerable to Privilege Escalation via arbitrary option update in all versions up to, and including, 3.12.8. This is due to the `update_settings()` REST callback failing to validate the `group_id` path parameter against an allowlist of permitted option names before passing it directly to `get_option()` and `update_option()`, allowing the built-in `wp_user_roles` option — which satisfies the route's loose `[\w-]+` regex — to be targeted. This makes it possible for authenticated attackers with the `wpf_manage_funnels` capability and above to elevate their privileges to administrator by writing a crafted role definition containing arbitrary capabilities into the `wp_user_roles` option, thereby granting any WordPress role full site administrator access. The `wpf_manage_funnels` capability is typically assigned to the Funnel Manager custom role created by the plugin, meaning this role is the minimum required to exploit the vulnerability.
References
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
- plugins.trac.wordpress.org
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Vulnerability Details for WPFunnels – Funnel Builder for WooCommerce with Checkout & One Click Upsell
| Software Type | Plugin |
|---|---|
| Software Slug | wpfunnels (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 3.12.9, or a newer patched version |
| Affected Version |
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| Patched Version |
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Recent vulnerabilities in WPFunnels – Funnel Builder for WooCommerce with Checkout & One Click Upsell
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