Werk #12564: Fix possible stored XSS issue when uploading backup keys

Component Setup
Title Fix possible stored XSS issue when uploading backup keys
Date Apr 26, 2021
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.0.0p4 2.1.0i1
Level Trivial Change
Class Security Fix
Compatibility Compatible - no manual interaction needed

Uploading backup keys could trigger a XSS issue which could lead to execution of arbitrary javascript code in the context of the user currently accessing the setup GUI.

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