Good Day All

With the upgrade yesterday to 7.5.6 there is a bug in the grid when you have the background-image style set on your grid. A utility function was added to bootstap3.cshtml called CleanForXss on line 79:

var propertyValue = TemplateUtilities.CleanForXss(property.Value.ToString());

well the issue is that this will take the value based on this setting in the grid:

[ { "label": "Set a background image", "description": "Set a row background", "key": "background-image", "view": "imagepicker", "modifier": "url({0})" } ]

which creates this based on the url({0}): url(/media/2035/banner1.jpg)

but right after this utility function is run the value is: urlmedia2035banner1.jpg

and this gets inserted into the grid row as: style="background-image:urlmedia2035banner1.jpg" which as you probably suspect no longer renders your background.

I will submit a bug for this but for a quick fix just remove the function call:

var propertyValue = property.Value.ToString();

This will affect any 7.5.6 version. I checked the previous version and it did not have this function call. Not sure why it is added it looks like it is trying to sanitize the string against attack but this data only comes from umbraco backend so not sure why it is required, it is never client entered.