CVE-2026-54503

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...

CVE-2026-54503 plone.app.textfield: Stored XSS by spoofing mime type

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...

CVE-2026-54503 plone.app.textfield: Stored XSS by spoofing mime type

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...

CVE-2026-54503

plone.app.textfield (used by Plone CMS) has a stored XSS in RichTextValue.output: when the stored mimeType equals the outputMimeType, the safe_html transform is bypassed entirely and the raw value is emitted via tal:content="structure" without escaping. An attacker with write access to a RichText...

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...

CVE-2026-54503 plone.app.textfield: Stored XSS by spoofing mime type

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...

CVE-2026-54503: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

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...