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The optinmonster plugin before 1.1.4.6 for WordPress has incorrect access control for shortcodes because of a nonce leak.
The optinmonster plugin before 1.1.4.6 for WordPress has incorrect access control for shortcodes because of a nonce leak.
CVSS 3.1 Base Score 5.3. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).
CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N).
The following code could be for a medical records application. It displays a record to already authenticated users, confirming the user's authorization using a value stored in a cookie.
}}setcookie("role", $role, time()+60*60*2);die("\n");DisplayMedicalHistory($_POST['patient_ID']);die("You are not Authorized to view this record\n");The programmer expects that the cookie will only be set when getRole() succeeds. The programmer even diligently specifies a 2-hour expiration for the cookie. However, the attacker can easily set the "role" cookie to the value "Reader". As a result, the $role variable is "Reader", and getRole() is never invoked. The attacker has bypassed the authorization system.
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