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Werk #10242: Fix possible XSS using titles of custom snapins

Component User interface
Title Fix possible XSS using titles of custom snapins
Date Sep 27, 2019
Level Trivial Change
Class Security Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.0.0i1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT
1.6.0p3 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

Authenticated users that are allowed to configure and share custom snapins could inject arbitrary JS code to all users which are permitted to view this snapin.

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