Subscriptions for WooCommerce <= 2.0.0 - Authenticated (Contributor+) Privilege Escalation via '_wps_plan_user_role' Membership Plan Meta

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-15414
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-01 03:16:25 UTC
Updated2026-08-03 20:17:12 UTC
DescriptionThe Subscriptions for WooCommerce plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 2.0.0. This is due to the `save_meta_boxes()` function persisting the `_wps_plan_user_role` membership plan meta from `$_POST` without an allowlist that excludes privileged roles — the only validations applied, `sanitize_key()` and `wp_roles()->is_role()`, both accept `'administrator'` as a valid value, and the UI's `disabled` attribute on the role dropdown is a client-side-only control trivially bypassed via DevTools or a direct POST request; additionally, because the `wps_membership_plan` custom post type is registered with `capability_type => 'post'`, any user who can edit posts satisfies the `current_user_can('edit_post', $post_id)` guard in `save_meta_boxes()`. This makes it possible for authenticated attackers, with Contributor-level access and above, to escalate their privileges to Administrator by storing `'administrator'` as the role granted on membership acquisition, which the Pro companion plugin then applies via `add_role()` during membership lifecycle events. Successful exploitation requires the Subscriptions for WooCommerce Pro companion plugin to be active, as it is the component that reads the stored `_wps_plan_user_role` meta via `get_post_meta()` and calls `add_role()` to apply the role during membership lifecycle events.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.003350000 probability, percentile 0.260220000 (date 2026-08-05)

Problem Types: CWE-269 | CWE-269 CWE-269 Improper Privilege Management

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Wpswings Subscriptions For WooCommerce affected 2.0.0 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/subscriptions-for-woocommerce/tags/2.0.0/includes/mem... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/195f86a5-e3dc-4414-bbe3-dea31... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/subscriptions-for-woocommerce/tags/2.0.0/includes/mem... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/subscriptions-for-woocommerce/tags/2.0.0/admin/partia... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/subscriptions-for-woocommerce/tags/2.0.0/includes/mem... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Wordfence PRISM (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-07-10T14:45:18.000ZVendor Notified
CNA2026-07-31T12:27:03.000ZDisclosed

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