silverstripe/silverstripe-advancedworkflow · Security
silverstripe-advancedworkflow vulnerable to remote code execution via advanced workflow email template
- GHSA ID
- GHSA-39mm-rwm3-29jp
- CVE ID
- CVE-2026-54718
- Severity
- high
- Published
- Updated
- CVSS
- 7.2 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 7.2 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Description
Impact
The advanced workflow email template field is vulnerable to a specially crafted payload that can be used to run arbitrary code on the server.
Reported by
Steve Boyd Silverstripe Ltd.
CWEs
- CWE-20 · Improper Input Validation
- CWE-1336 · Improper Neutralization of Special Elements Used in a Template Engine
References
- https://github.com/silverstripe/silverstripe-advancedworkflow/security/advisories/GHSA-39mm-rwm3-29jp ↗
- https://github.com/silverstripe/silverstripe-advancedworkflow/pull/629 ↗
- https://github.com/silverstripe/silverstripe-advancedworkflow/pull/630 ↗
- https://github.com/silverstripe/silverstripe-advancedworkflow/commit/28d0b536491e5c68b1c445579bdd1ddc8beaf8bb ↗
- https://github.com/silverstripe/silverstripe-advancedworkflow/commit/f170766af992ed2ed3e5f21d127d0d0d3129678b ↗
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symbiote/silverstripe-advancedworkflow/CVE-2026-54718.yaml ↗
- https://github.com/silverstripe/silverstripe-advancedworkflow/releases/tag/6.4.5 ↗
- https://github.com/silverstripe/silverstripe-advancedworkflow/releases/tag/7.1.3 ↗
- https://github.com/silverstripe/silverstripe-advancedworkflow/releases/tag/7.2.1 ↗
- https://www.silverstripe.org/download/security-releases/cve-2026-54718 ↗
- https://github.com/advisories/GHSA-39mm-rwm3-29jp ↗