CVE-2020-5298
In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, a user with the ability to use the import functionality of the `ImportExportController` behavior can 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).
Date published : 2020-06-03
https://github.com/octobercms/october/security/advisories/GHSA-gg6x-xx78-448c