Update CHANGELOG-EE.md for 11.3.7-ee

[ci skip]

CHANGELOG-EE.md

@@ -100,6 +100,13 @@ Please view this file on the master branch, on stable branches it's out of date.
 - API: Allow issue weight parameter to be greater than or equal to zero.
 
 
+## 11.3.7 (2018-10-26)
+
+### Security (1 change)
+
+- Escape entity title while autocomplete template rendering to prevent XSS. !697
+
+
 ## 11.3.6 (2018-10-17)
 
 ### Fixed (1 change)