CVE-2023-46735: Sensiolabs Symfony

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Starting in version 6.0.0 and prior to version 6.3.8, the error message in `WebhookController` returns unescaped user-submitted input. As of version 6.3.8, `WebhookController` now doesn't return any user-submitted input in its response.

Affected products

  • Sensiolabs Symfony: from 6.0.0, before 6.3.8 (fixed in 6.3.8)

Published 2023-11-10. Last modified 2026-06-17.