Question1Replies497Views SHRAVANR0960 Member since 2017 1 post EXPRESS SCRIPTS Posted: July 13, 2018Last activity: July 16, 2018 Closed XML Stream mapping mode=literal severity warning which expose system to cross site scripting attacksIn V 7.2.2 XML Stream mapping mode=literal severity warning as below."Using "mode=literal" can expose the system to cross site scripting attacks - use with caution".Installed HFIX-33128 yet this didn't resolve the issue. Thanks,shravan***Edited by Moderator Marissa to update SR details** Security SR Exists ×Close popoverFacebookTwitterLinkedinEmail Copy Link Copied! Moderation Team has archived post This thread is closed to future replies. Content and links will no longer be updated. If you have the same/similar Question, please write a new Question. Posted: 2 years agoBr@dTainter_GCS PEGA replied to SHRAVANR0960Hi SHRAVANR0960, It looks like there are some post install steps for the hotfix in question. Can you try them: After installing, run a Revalidate and Save (https://community1.pega.com/sites/pdn.pega.com/files/help_v731/procomhelpmain.htm#tools/revalidate/aboutrevalidation.htm) on all rules of type Rule-Obj-XML.