A user with the ability to use the import functionality of the ImportExportController behavior could be socially engineered by an attacker to upload a maliciously crafted CSV file which could result in a reflected XSS attack on the user in question
Issue has been patched in Build 466 (v1.0.466).
Apply https://github.com/octobercms/october/commit/cd0b6a791f995d86071a024464c1702efc50f46c to your installation manually if unable to upgrade to Build 466.
Reported by Sivanesh Ashok
If you have any questions or comments about this advisory:
{
"cwe_ids": [
"CWE-79",
"CWE-87"
],
"github_reviewed": true,
"github_reviewed_at": "2020-06-03T21:26:48Z",
"nvd_published_at": "2020-06-03T22:15:00Z",
"severity": "MODERATE"
}