xss filter

jspblog/src/main/java/com/example/jspblog/domain/board/Board.java

@@ -19,4 +19,8 @@ public class Board {
     private String content;
     private int readCount;
     private Timestamp createDate;
+
+    public String getTitle() {
+        return title.replaceAll("<", "&lt;").replaceAll(">", "&gt;");
+    }
 }

jspblog/src/main/webapp/WEB-INF/web.xml

@@ -25,6 +25,7 @@
         <filter-name>charConfig</filter-name>
         <url-pattern>/*</url-pattern>
     </filter-mapping>
+
     <filter-mapping>
         <filter-name>forbiddenUrlConfig</filter-name>
         <url-pattern>*.jsp</url-pattern>