When inserting a link for a content in eZ OE, and using the search, the search text is not urlencoded, so if your search text contains "&", it is considered as a URL GET separator.

Steps to reproduce :

• Create a content (article) named "new&article".
• In a separate content, select a text in eZOE, and click on the "insert link" button.
• in the popup window, click on the search (loupe) to open the search form.
• Search for a text which contains "&" character: "new&article"

Expected results:

• solr should return results for "new&article"

Actual results:

• The SearchStr param has been split, so search results are returned only for "new".

Further notes:

Opening the browser's network debugger and looking at the ajax call, we can see the problem query with split parameters:
...EncodingFetchChildrenCount=1&SearchStr=new&articlee&ezjscServer_function_arguments...