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      <title>CVE-2026-15303 — 6Storage Rentals &lt;= 2.27.0 - Unauthenticated Account Takeover via 'email' Parameter</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-15303</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; sixstorage 6Storage Rentals&lt;/p&gt;
&lt;p&gt;The 6Storage Rentals plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.27.0. This is due to the six_storage_create_wp_user() AJAX handler being registered on wp_ajax_nopriv_six_storage_create_wp_user without any nonce, capability, credential, or ownership verification, while calling wp_set_current_user() and wp_set_auth_cookie() for any WordPress user resolved by the attacker-supplied email address. This makes it possible for unauthenticated attackers to log in as any existing WordPress user, including administrators, by submitting that user&amp;#39;s email address.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; sixstorage 6Storage Rentals&lt;/p&gt;
&lt;p&gt;The 6Storage Rentals plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 2.27.0. This is due to the six_storage_create_wp_user() AJAX handler being registered on wp_ajax_nopriv_six_storage_create_wp_user without any nonce, capability, credential, or ownership verification, while calling wp_set_current_user() and wp_set_auth_cookie() for any WordPress user resolved by the attacker-supplied email address. This makes it possible for unauthenticated attackers to log in as any existing WordPress user, including administrators, by submitting that user&amp;#39;s email address.&lt;/p&gt;</content:encoded>
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