diff --git a/forms/HtmlEditorField.php b/forms/HtmlEditorField.php
index c5c32d8c2..246603e83 100644
--- a/forms/HtmlEditorField.php
+++ b/forms/HtmlEditorField.php
@@ -140,8 +140,15 @@ class HtmlEditorField extends TextareaField {
 			// Add default empty title & alt attributes.
 			if(!$img->getAttribute('alt')) $img->setAttribute('alt', '');
 			if(!$img->getAttribute('title')) $img->setAttribute('title', '');
+		
+			// Use this extension point to manipulate images inserted using TinyMCE, e.g. add a CSS class, change default title
+			// $image is the image, $img is the DOM model
+			$this->extend('processImage', $image, $img);
 		}
 
+		// optionally manipulate the HTML after a TinyMCE edit and prior to a save
+		$this->extend('processHTML', $htmlValue);
+
 		// Store into record
 		$record->{$this->name} = $htmlValue->getContent();
 	}