[Koha-bugs] [Bug 22268] New: Data displayed in request list datatable is not sanitized

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22268

            Bug ID: 22268
           Summary: Data displayed in request list datatable is not
                    sanitized
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5 - low
         Component: ILL
          Assignee: koha-bugs at lists.koha-community.org
          Reporter: andrew.isherwood at ptfs-europe.com
  Target Milestone: ---

Request data displayed in the "Request view" or similar views is sanitized by
the html filter in the template. However, the main request list table is
generated via Datatables and is not sanitized. This can be demonstrated by
entering a malicious string, such as:

<script>alert('pwned');</script>

Into the request notes field, then displaying the requests table.

I've not yet investigated if column data that is generated via render functions
is affected, or whether it's just the columns that are passed through by
Datatables.

Investigate how this has been addressed elsewhere in Koha. Also, possible
mitigations can be seen here: https://datatables.net/manual/security

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