CVE-2026-54721

Silverstripe UserForms provides a visual form builder for the Silverstripe CMS. From 6.0.0 until 6.4.9, 7.0.7, and 7.1.1, the userform email recipient subject field in the CMS accepts a specially crafted payload that can be interpreted as executable server-side code. An authenticated CMS user wit...

silverstripe/userforms vulnerable to remote code execution via userforms email subject

Impact The userform email subject field in the CMS is vulnerable to a specially crafted payload being used to run arbitrary code on the server. Reported by Jack Wallace from Bastion Security...

GHSA-G8WR-R2V2-VQC6 silverstripe/userforms vulnerable to remote code execution via userforms email subject

Impact The userform email subject field in the CMS is vulnerable to a specially crafted payload being used to run arbitrary code on the server. Reported by Jack Wallace from Bastion Security...

CVE-2026-54721

Silverstripe UserForms (a visual form builder module for Silverstripe CMS) contains a remote code execution vulnerability in the email recipient subject field. Between versions 6.0.0 and the fixed releases, a specially crafted payload in the subject field is interpreted as executable server-side ...

CVE-2026-54721 Silverstripe UserForms: Remote code execution via userforms email subject

Silverstripe UserForms provides a visual form builder for the Silverstripe CMS. From 6.0.0 until 6.4.9, 7.0.7, and 7.1.1, the userform email recipient subject field in the CMS accepts a specially crafted payload that can be interpreted as executable server-side code. An authenticated CMS user wit...

PT-2024-40089 · Silverstripe · Silverstripe-Secureassets +1

Name of the Vulnerable Software and Affected Versions: silverstripe-userforms versions prior to 3.0.0 silverstripe-userforms version 3.0.0 when used with silverstripe-secureassets module Description: The issue allows CMS administrators to create public-facing forms with file upload abilities, whi...