Plone though 5.2.4 allows SSRF via the lxml parser. This affects Diazo themes, Dexterity TTW schemas, and modeleditors in plone.app.theming, plone.app.dexterity, and plone.supermodel.
{
"severity": "HIGH",
"nvd_published_at": "2021-05-21T22:15:00Z",
"cwe_ids": [
"CWE-918"
],
"github_reviewed_at": "2021-05-27T21:47:01Z",
"github_reviewed": true
}