diff --git a/modules/markup/markdown/markdown.go b/modules/markup/markdown/markdown.go
index aab951c60f..d9fc768891 100644
--- a/modules/markup/markdown/markdown.go
+++ b/modules/markup/markdown/markdown.go
@@ -153,7 +153,7 @@ func RenderRaw(body []byte, urlPrefix string, wikiMarkdown bool) []byte {
 	}
 
 	body = blackfriday.Markdown(body, renderer, exts)
-	return body
+	return markup.SanitizeBytes(body)
 }
 
 var (