It is possible to inject insert tags via the form generator if the submitted form data is output on the page in a specific way.
Update to Contao 4.13.40 or 5.3.4.
Do not output the submitted form data on the website.
https://contao.org/en/security-advisories/insert-tag-injection-via-the-form-generator
If you have any questions or comments about this advisory, open an issue in contao/contao.
{ "nvd_published_at": "2024-04-09T14:15:08Z", "cwe_ids": [ "CWE-74" ], "severity": "LOW", "github_reviewed": true, "github_reviewed_at": "2024-04-09T18:52:51Z" }