What’s Vulnerable › Vulnerabilities

CVE-2026-107645: Blocksy Companion <= 2.1.58 - Unauthenticated Privilege Escalation to 'role' Parameter

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-10 · updated 2026-10-13
• Weakness: CWE-269

Description

The Blocksy Companion plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 2.1.58 This is due to the implement_user_registration() AJAX handler explicitly disabling Dokan's vendor-registration nonce check (via add_filter('dokan_register_nonce_check', '__return_false')) and then trusting an attacker-supplied $_POST['role'] value when invoking wc_create_new_customer() and wc_set_customer_auth_cookie(). This makes it possible for unauthenticated attackers to elevate their privileges to a Dokan 'seller' (vendor) account — including sites where the Dokan vendor signup is explicitly turned off — and to be auto-authenticated into that account, which grants publishing capabilities beyond those of a normal customer.

Affected products

• creativethemeshq Blocksy Companion: through 2.1.58

References

• https://plugins.trac.wordpress.org/browser/blocksy-companion/tags/2.1.58/framework/features/account-auth.php#L181
• https://plugins.trac.wordpress.org/browser/blocksy-companion/tags/2.1.58/framework/features/account-auth.php#L24
• https://plugins.trac.wordpress.org/browser/blocksy-companion/tags/2.1.58/framework/features/account-auth.php#L241
• https://plugins.trac.wordpress.org/changeset/3735192/blocksy-companion/tags/2.1.59/framework/features/account-auth.php?old=3723693&old_path=blocksy-companion%2Ftags%2F2.1.58%2Fframework%2Ffeatures%2Faccount-auth.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/7757f41d-c1f1-4df1-8048-b1c78a897548?source=cve

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