pleroma

commit: ca0859b90f0f3cb9bb369d38d29868de59796c2c
parent 1062185ba03ffa03f0dfcfc11f948285b2ffd610
Author: Mae <Mae@is.badat.dev>
Date:   Fri,  4 Aug 2023 22:24:17 +0100

Prevent XML parser from loading external entities

Diffstat:
M
lib/pleroma/web/xml.ex
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/lib/pleroma/web/xml.ex b/lib/pleroma/web/xml.ex
@@ -29,7 +29,10 @@ defmodule Pleroma.Web.XML do
       {doc, _rest} =
         text
         |> :binary.bin_to_list()
-        |> :xmerl_scan.string(quiet: true)
+        |> :xmerl_scan.string(
+          quiet: true,
+          fetch_fun: fn _, _ -> raise "Resolving external entities not supported" end
+        )
 
       {:ok, doc}
     rescue