1 files changed, 17 insertions, 0 deletions
diff --git a/test/pleroma/web/mastodon_api/controllers/media_controller_test.exs b/test/pleroma/web/mastodon_api/controllers/media_controller_test.exs
index 79d52bb2f..750296230 100644
--- a/test/pleroma/web/mastodon_api/controllers/media_controller_test.exs
+++ b/test/pleroma/web/mastodon_api/controllers/media_controller_test.exs
@@ -122,6 +122,23 @@ defmodule Pleroma.Web.MastodonAPI.MediaControllerTest do
 
       assert :ok == File.rm(Path.absname("test/tmp/large_binary.data"))
     end
+
+    test "Do not allow nested filename", %{conn: conn, image: image} do
+      image = %Plug.Upload{
+        image
+        | filename: "../../../../../nested/file.jpg"
+      }
+
+      desc = "Description of the image"
+
+      media =
+        conn
+        |> put_req_header("content-type", "multipart/form-data")
+        |> post("/api/v1/media", %{"file" => image, "description" => desc})
+        |> json_response_and_validate_schema(:ok)
+
+      refute Regex.match?(~r"/nested/", media["url"])
+    end
   end
 
   describe "Update media description" do