diff --git a/php/controller/deleteArticle-controller.php b/php/controller/deleteArticle-controller.php
index ffc664d..150b92e 100644
--- a/php/controller/deleteArticle-controller.php
+++ b/php/controller/deleteArticle-controller.php
@@ -4,6 +4,7 @@ if (session_status() === PHP_SESSION_NONE) {
 }
 
 require_once __DIR__ . "/../model/ArticleManager.php";
+require_once __DIR__ . "/../../includes/csrf.php";
 
 if (!isset($_SESSION["user"])) {
     header("Location: index.php?pfad=login");
@@ -12,6 +13,13 @@ if (!isset($_SESSION["user"])) {
 
 if ($_SERVER["REQUEST_METHOD"] === "POST") {
 
+    // CSRF-Token prüfen, bevor irgendeine Änderung vorgenommen wird
+    if (!csrf_verify()) {
+        $_SESSION["message"] = "invalid_csrf_token";
+        header("location: ../../index.php?pfad=profile");
+        exit();
+    }
+
     if (isset($_SESSION["user_email"])) {
         $user = $_SESSION["user_email"];
     } else {
@@ -22,9 +30,10 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
         exit();
     }
 
-    if (isset($_POST["id"]) && !empty($_POST["id"])) {
-        $id = $_POST["id"];
-    } else {
+    // Die Beitrags-ID muss eine gültige numerische ID sein.
+    $id = filter_input(INPUT_POST, "id", FILTER_VALIDATE_INT);
+
+    if ($id === false || $id === null) {
         $_SESSION["message"] = "missing_id";
         header("location: ../../index.php?pfad=profile");
         exit();
@@ -44,4 +53,4 @@ if ($_SERVER["REQUEST_METHOD"] === "POST") {
     $_SESSION["message"] = "article_deleted";
     header("location: ../../index.php?pfad=profile");
     exit();
-}
+}
\ No newline at end of file