Description
Strapi v3.x.x versions and earlier contain a stored cross-site scripting vulnerability in file upload function. By exploiting this vulnerability, an arbitrary script may be executed on the web browser of the user who is logging in to the product with the administrative privilege.
Remediation
References
https://github.com/strapi/strapi
https://jvn.jp/en/jp/JVN44550983/index.html
https://strapi.io/