For EC-CUBE, PHP2Shell remediation requires patching the PHP runtime. The application version helps identify compatibility blockers; it cannot establish exploitability or prove that either CVE is fixed.

EC-CUBE - PHP compatibility for the PHP2Shell fix

Candidates match only this declaration against the first PHP2Shell fixes on supported branches. They do not establish tested compatibility, vendor support or a complete dependency match. PHP compatibility for the PHP2Shell fix ↗

Identify the PHP2Shell repair scope

Files and package identity

ec-cube/ec-cube

  • composer.lock
  • app/Plugin/
  • app/Customize/
  • app/template/

EC-CUBE - Remove blockers to patch PHP2Shell

EC-CUBE upgrades combine Symfony, Doctrine and version-specific plugins. Compare the exact 4.x release and each payment plugin before editing Composer constraints. Customizations under app/Customize and Twig templates can break independently of core. Test documented database migrations, shipping and tax calculations, Japanese text handling and sandbox payment returns before the production change.

Dependencies and custom code to review

  • Symfony
  • app/Plugin/
  • app/Customize/
  • Doctrine
  • Twig
  • EC-CUBE
Official upgrade documentation ↗

Check site functions after the PHP2Shell fix

Inventory before fixing PHP2Shell

Use an authorized working copy.

Command example
php -v
php --ini
composer --no-plugins show --locked ec-cube/ec-cube
composer --no-plugins check-platform-reqs --lock
composer --no-plugins prohibits php 8.3.36 --locked

EC-CUBE - PHP2Shell patch verification

Verify both CVE fixes in the PHP actually serving this site. Replace or restart old Web workers, queue workers and replicas. A working homepage or a newer CLI binary is insufficient evidence.

3. Restart and verify every instance ↗

Official upgrade documentation

EC-CUBEOriginal source ↗PHP security teamOriginal source ↗CVE-2026-109618Original source ↗CVE-2026-109619Original source ↗PHP2Shell repair - solve PHP upgrade errors↗

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