• A possible Remote Code Execution attack when using an unintentional expression in Freemarker tag instead of string literals.

• Upgrade to Struts 2.5.12 or Struts 2.3.34

• • Security Bulletin S2-053

• 

• CVE-2017-12611

• CWE-94

• CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

• Code Execution Known Vulnerabilities

• Apache Struts2 Remote Command Execution (S2-052)
• Nginx PHP code execution via FastCGI
• Drupal Core 7.x Remote Code Execution (7.0 - 7.58)
• WordPress Plugin WP-Syntax Remote PHP Code Execution (0.9.9)
• Drupal REST Remote Code Execution