Werk #12762: Fix several XSS issues

Component GUI
Title Fix several XSS issues
Date May 7, 2021
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.0.0p4 2.1.0i1 1.6.0p25
Level Trivial Change
Class Security Fix
Compatibility Compatible - no manual interaction needed

* JavaScript was executed in the rule overview if a script was entered in the Text to match of EC rules. * JavaScript was executed if scripts were entered in the LDAP server and failover server and "Save & Test" was clicked * JavaScript was executed in the tag overview and notification rules if sripts were entered in the the title, topic and help text of aux tags and tags.


To the list of all Werks