A malicious content author could upload a GPX file with a Javascript payload. The payload could then be executed by luring a legitimate user to view the file in a browser with support for GPX files. GPX is an XML-based format used to store GPS data.
By default, Silverstripe CMS will no longer allow GPX files to be uploaded to the assets area.
{
"cwe_ids": [
"CWE-79"
],
"github_reviewed": true,
"github_reviewed_at": "2022-11-21T23:58:07Z",
"nvd_published_at": "2022-11-23T03:15:00Z",
"severity": "MODERATE"
}