View online: https://www.drupal.org/sa-contrib-2026-225 Project: Custom Formatters [1] Project machine name: custom_formatters Date: 2026-October-21 Security risk: *Critical* 17 ∕ 25 AC:Basic/A:Admin/CI:All/II:All/E:Theoretical/TD:All [2] Vulnerability: Remote code execution Affected versions: <4.2.1 CVE IDs: CVE-2026-114524 Description: The Custom Formatters module allows users to easily create custom Field Formatters through an admin UI without writing a custom module. The PHP formatter engine runs eval() to execute user-provided PHP code and allows arbitrary PHP execution on the site. The permissions UI gives no indication about this behavior. Solution: Install the latest version: * If you use Custom Formatters, upgrade to Custom Formatters 4.2.1 [3] Reported By: * Marcus Johansson (marcus_johansson) [4] Fixed By: * Stuart Clark (deciphered) [5] Coordinated By: * Swan Kalata (akalata) [6] of the Drupal Security Team * Greg Knaddison (greggles) [7] of the Drupal Security Team * Juraj Nemec (poker10) [8] of the Drupal Security Team ------------------------------------------------------------------------------ Contribution record [9] [1] https://www.drupal.org/project/custom_formatters [2] https://www.drupal.org/drupal-security-team/security-risk-levels-defined [3] https://www.drupal.org/project/custom_formatters/releases/4.2.1 [4] https://www.drupal.org/u/marcus_johansson [5] https://www.drupal.org/u/deciphered [6] https://www.drupal.org/u/akalata [7] https://www.drupal.org/u/greggles [8] https://www.drupal.org/u/poker10 [9] https://new.drupal.org/contribution-record?source_link=https%3A//www.drupal....