diff --git a/media/js/pdf/web/viewer.js b/media/js/pdf/web/viewer.js
index 24fd4a2659..d576bc97a4 100644
--- a/media/js/pdf/web/viewer.js
+++ b/media/js/pdf/web/viewer.js
@@ -3061,7 +3061,7 @@ const defaultOptions = {
     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
   },
   enableScripting: {
-    value: true,
+    value: false,
     kind: OptionKind.VIEWER + OptionKind.PREFERENCE
   },
   externalLinkRel: {