Werk #13195: Add validation to Documentation URL

Component Setup
Title Add validation to Documentation URL
Date Dec 16, 2021
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.1.0i1 2.0.0p18
Level Trivial Change
Class Security Fix
Compatibility Incompatible - Manual interaction might be required

Previous to this Werk the URLs to Documentation were not validated (e.g. in the rule creation dialog). This could have lead to malicious links, e.g. links containing javascript. These links now will be validated. The URL schemes are now restricted to "http" and "https".

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