CVE-2023-46735: Potential XSS in WebhookController

Affected versions

Symfony versions >=6.3.0, <6.3.8 of the Symfony Webhook component are affected
by this security issue.

The issue has been fixed in Symfony 6.3.8.


The error message in WebhookController returns unescaped user-submitted input.


WebhookController now doesn’t return any user-submitted input in its response.

The patch for this issue is available here for branch 6.3.


We would like to thank Maxime Aknin for reporting the issue and to Nicolas Grekas for providing the fix.

Sponsor the Symfony project.

Symfony Blog

Read More

Latest News


PHP 8.3.9 released!

PHP 8.2.21 released!

PHP 8.1.29 released!

Generated by Feedzy