CVE Watch7 nov 2026

CVE-2026-103900

The WPJAM Basic plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 7.1 This is due to the WPJAM_Us

CVSS

8.1

Alto

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 7 nov 2026 · Última mod.: 7 nov 2026 · CWE-269

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

The WPJAM Basic plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 7.1 This is due to the WPJAM_User_Signup::signup() function unpacking attacker-supplied `data[args]` from the AJAX POST body and merging it via PHP array union into the payload passed to WPJAM_User::create(), whose internal whitelist (wpjam_pick) explicitly preserves the `role` key before it is handed to wp_insert_user(). The endpoint is registered as wp_ajax_nopriv_{provider}-signup with a nonce that is emitted on the public login page. This makes it possible for unauthenticated attackers to elevate their privileges to Administrator by creating a new user with an attacker-chosen role, provided a social-login provider is registered and open registration is enabled.

Referencias oficiales

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