{"id":"CVE-2023-46735","aliases":["BIT-symfony-2023-46735","GHSA-72x2-5c85-6wmr"],"url":"https://o3.security/vulnerability/CVE-2023-46735","summary":"Symfony potential Cross-site Scripting in WebhookController","details":"### Description\n\nThe error message in WebhookController returns unescaped user-submitted input.\n\n### Resolution\n\nWebhookController now doesn't return any user-submitted input in its response.\n\nThe patch for this issue is available [here](https://github.com/symfony/symfony/commit/8128c302430394f639e818a7103b3f6815d8d962) for branch 6.3.\n\n### Credits\n\nWe would like to thank Maxime Aknin for reporting the issue and to Nicolas Grekas for providing the fix.","published":"2023-11-10T17:58:18.136Z","modified":"2026-08-12T03:51:09.209247572Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":{"score":0.00568,"percentile":0.44486,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"symfony/webhook","fixedVersion":"6.3.8"},{"ecosystem":"Packagist","name":"symfony/symfony","fixedVersion":"6.3.8"}],"fix":{"url":"https://github.com/symfony/symfony/commit/8128c302430394f639e818a7103b3f6815d8d962","label":"symfony/symfony@8128c30"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/46xxx/CVE-2023-46735.json"},{"type":"ADVISORY","url":"https://github.com/symfony/symfony/security/advisories/GHSA-72x2-5c85-6wmr"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-46735"},{"type":"FIX","url":"https://github.com/symfony/symfony/commit/8128c302430394f639e818a7103b3f6815d8d962"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2023-46735.yaml"},{"type":"PACKAGE","url":"https://github.com/symfony/symfony"},{"type":"WEB","url":"https://symfony.com/cve-2023-46735"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:09.209247572Z"}}