strip img tags on topic teaser

src/topics/teaser.js

@@ -12,6 +12,8 @@ var plugins = require('../plugins');
 var utils = require('../utils');
 
 module.exports = function (Topics) {
+	var stripTeaserTags = utils.stripTags.concat(['img']);
+
 	Topics.getTeasers = function (topics, uid, callback) {
 		if (typeof uid === 'function') {
 			winston.warn('[Topics.getTeasers] this usage is deprecated please provide uid');
@@ -90,7 +92,7 @@ module.exports = function (Topics) {
 					if (tidToPost[topic.tid]) {
 						tidToPost[topic.tid].index = meta.config.teaserPost === 'first' ? 1 : counts[index];
 						if (tidToPost[topic.tid].content) {
-							tidToPost[topic.tid].content = utils.stripHTMLTags(tidToPost[topic.tid].content, utils.stripTags);
+							tidToPost[topic.tid].content = utils.stripHTMLTags(tidToPost[topic.tid].content, stripTeaserTags);
 						}
 					}
 					return tidToPost[topic.tid];