Following security issues have arisen in CMSs and taking measures in order to maintain safe may be necessary

Recent security issues in CMSs

• Joomla!
  • Core - Hardening com_contact contact form (versions 2.5.0 - 3.8.12) - CVE-2018-17859
  • Core - Inadequate default access level for com_joomlaupdate (versions 2.5.4 - 3.8.12) - CVE-2018-17856
  • Core - Access level Violation in com_tags (versions 3.1.0 - 3.8.12) - CVE-2018-17857
  • Core - ACL Violation in com_users for the admin verification (Εκδόσεις 1.5.0 - 3.8.12) - CVE-2018-17855
  • Core - CSRF hardening in com_installer (Εκδόσεις 2.5.0 - 3.8.12)- CVE-2018-17858
• Drupal
  • Core - Multiple Vulnerabilities- SA-CORE-2018-006

 
Latest CMS releases

• Joomla! 3.9.1 since November 2018
• Drupal 8.6.3 since November2018
• Wordpress 4.9.8 since August 2018