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Werk #6567: Fixed possible XSS on activate changes page

Component Setup
Title Fixed possible XSS on activate changes page
Date Sep 13, 2018
Level Trivial Change
Class Security Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
1.6.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT
1.5.0p5 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT
1.4.0p36 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

It was possible to trigger an XSS issue using the change messages in some situations.

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