[JIRA] (JENKINS-55355) HTML no longer is parsed in Build Pipeline view after core security update

[email protected] (JIRA) Fri, 28 Dec 2018 12:22:04 -0800

Title: Message Title

Alex Taylor created an issue

Issue Type:	Bug
Assignee:	Unassigned
Components:	build-pipeline-plugin
Created:	2018-12-28 20:21
Environment:	Jenkins 2.46 and newer Latest Build Pipeline plugin
Priority:	Major
Reporter:	Alex Taylor

Issue:
When trying to create HTML within a build pipeline view(through either parameters or descriptions etc.) the HTML is no longer parsed by the markup formatter

Steps to reproduce:

Create a new OSS jenkins instance at least version 2.46
Install the build pipeline view plugin
Create 2 jobs(upstream and downstream)
Add a parameter to one of those jobs which has HTML(I used a string parameter)
Create a new build pipeline view to start with the upstream job
make sure you are displaying the parameters and variables within the view

Observed behavior:
The HTML code is not parsed correctly and it treats it as a literal string

Expected behavior:
The HTML code is parsed by the markup formatter and it appears as parsed HTML

You can see with version 2.45 of Jenkins that the issue is not present and the HTML is parsed which means this security update is the cause. Additionally no where else within the instance is unable to parse this HTML code but on that view.

HTML code I used:

 
                                                                <html>
<header><title>This is title</title></header>
<body>
<h1 style="background-color:MediumSeaGreen;">Hello world</h1>
</body>
</html>
 
                                                            

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[JIRA] (JENKINS-55355) HTML no longer is parsed in Build Pipeline view after core security update

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