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Werk #6516: Fixed stored XSS using alert handler config

Componentalerts
TitleFixed stored XSS using alert handler config
Date2018-08-30 16:25:59
Checkmk EditionCheckmk Enterprise Edition (CEE)
Checkmk Version1.6.0b1,1.5.0p3
LevelTrivial Change
ClassSecurity Fix
CompatibilityCompatible - no manual interaction needed

A user with permission to the alert handler administration could use an alert rule to store arbitrary javascript code which would then be executed in the context of the browser of another user with permission to the alert handler administration when viewing the list of alert handlers.