Screenshot

Steps to reproduce:

1.Open a page with VE
2.Insert a template like Cite web
3.Select the parameter URL
4.Add a value in this field like http://yahoo.com
5.Now select this text from right to left
6.Mouse up just a little beyond the borderline between left panel and right panel

Observed Result:

The parameter on the right panel gets switched to the next parameter which is "Source Title"

See the screenshot attached.

Test Environment: https://test2.wikipedia.org/
Browser: Chrome Version 26.0.1410.65
Page:https://test2.wikipedia.org/w/index.php?title=22nd_january&veaction=edit

Version: unspecified
Severity: normal

Attached: