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 Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)
1.5.0p5 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)
1.4.0p36 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

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

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