See SA-CONTRIB-2015-067 - Finder - Open Redirect
Fixes Fieldable Panels Panes - Moderately Critical - Access Bypass - SA-CONTRIB-2016-014
This resolves several bugs and fixes a file access vulnerability; updating is strongly recommended.
Full changelog since 7.x-1.7:
Fixes multiple vulnerabilities described in
fixes Prepopulate - Multiple Vunerabilities - SA-CONTRIB-2016-009
Fixes USASearch - Access Bypass - SA-CONTRIB-2016-010
Support for distinct indexing of taxonomy terms as a distinct element. Ability to select Display Mode to use for search results display. Updates to documentation. Improvements to configuration UI.
Fixes Google Analytics Counter - CSRF - SA-CONTRIB-2016-011
Scald File - Critical - Remote Code Execution - SA-CONTRIB-2016-015
Other changes since 7.x-1.2:
Issue #2363059 by Aron Novak: Support mudraw for generating PDF thumbnail Issue #2561111 by filnug, nagy.balint: Add support for xlsm