Etherpad 1.5.x and 1.6.x before 1.6.4 allows an attacker to export all the existing pads of an instance without knowledge of pad names.

node/hooks/express/apicalls.js in Etherpad Lite before v1.6.3 mishandles JSONP, which allows remote attackers to bypass intended access restrictions.

static/js/pad_utils.js in Etherpad Lite before v1.6.3 has XSS via window.location.href.

Directory traversal vulnerability in node/utils/Minify.js in Etherpad 1.1.2 through 1.5.4 allows remote attackers to read arbitrary files with permissions of the user running the service via a .. (dot dot) in the path parameter of HTTP API requests. NOTE: This vulnerability is due to an incomplete fix to CVE-2015-3297.

node/utils/ExportEtherpad.js in Etherpad 1.5.x before 1.5.2 might allow remote attackers to obtain sensitive information by leveraging an improper substring check when exporting a padID.