CVE-2013-4187

CVE-2013-4187 describes an access restriction bypass vulnerability in the Flippy module for Drupal, specifically versions 7.x-1.x before 7.x-1.2. This flaw allows authenticated users with content access permissions to read links or aliases to otherwise restricted nodes. With a CVSS score of 6.5 (Medium), the vulnerability is network-exploitable with low attack complexity, potentially leading to high confidentiality impact by exposing sensitive information. There is no evidence of active exploitation, nor are there publicly available exploit tools like Metasploit or Nuclei modules, and it has received minimal community discussion or media coverage.