The Send by e-mail sub-module in the Print (aka Printer, e-mail and PDF versions) module 5.x before 5.x-4.9 and 6.x before 6.x-1.9, a modul…

The Send by e-mail sub-module in the Print (aka Printer, e-mail and PDF versions) module 5.x before 5.x-4.9 and 6.x before 6.x-1.9, a module for Drupal, does not properly enforce privilege requirements, which allows remote attackers to read page titles by requesting a "Send to friend" form.