EUVD-2026-78836

plone.app.textfield provides a zope.schema-style field type called RichText for storing a value with a related MIME type. Prior to 2.0.2, 3.0.2, and 4.0.1, depending on the release line, RichTextValue.output returns an unsanitized stored RichText value when mimeType equals outputMimeType, includi...

Cross-site Scripting (XSS)

Overview plone.app.textfield is a Affected versions of this package are vulnerable to Cross-site Scripting XSS. via the RichTextValue.output function when the stored mimeType equals the outputMimeType, causing unsanitized content to bypass the safehtml transform and be rendered directly. An...