Subscriptions for WooCommerce <= 2.0.0 - Authenticated (Contributor+) Privilege Escalation via '_wps_plan_user_role' Membership Plan Meta
The 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.
Betroffene Software
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| Plattform | Paket | Anfällige Versionen | Behoben in |
|---|---|---|---|
| WordPress-Plugin | Subscriptions for WooCommerce | <= 2.0.0 | 2.0.1 |
Verweise
- CVSS-Vektor
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Schwäche (CWE)
CWE-269- Plattform
- WordPress
- Paket
Subscriptions for WooCommerce- Veröffentlicht
- 31.07.2026
- Aktualisiert
- 11.10.2026 10:22
Quellen und Lizenzen
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Schwachstellenhistorie: Subscriptions for WooCommerce
Alle veröffentlichten Schwachstellen dieses Pakets (WordPress-Plugin), neueste zuerst. Zeigt, ob es ein einmaliger Ausrutscher ist oder ein Paket, das man im Auge behalten muss.
- Einträge insgesamt
- 10
- Erste → letzte
- 03.2026 09.2026
- Ohne Fix
- 0
- In Angriffen ausgenutzt
- 0
Verteilung nach Schweregrad
- Hoch 2
- Mittel 8
Veröffentlichungen pro Jahr
- 2026: 10
-
Subscriptions for WooCommerce <= 2.0.0 - Authenticated (Contributor+) Privilege Escalation via '_wps_plan_user_role' Membership Plan Meta dieser Eintrag
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