要点
- CVE-2026-54721 是影响 silverstripe/userforms 的高危 (CVSS 8.8)漏洞。
- 未来 30 天内被利用的概率（EPSS）：0.73%，高于 54.4% 的漏洞。
- 修复：升级到 7.0.7, 7.1.1, 6.4.9 或更高版本。
| Package | Affected versions | Patched versions |
|---|
| silverstripe/userforms Packagist | ≥ 7.0.0, < 7.0.7≥ 7.1.0, < 7.1.1< 6.4.9
| 7.0.77.1.16.4.9
|
Description
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
NVD description
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 with permission to configure a UserForms email recipient can use the subject field to run arbitrary code on the server, compromising confidentiality, integrity, and availability. This issue is fixed in versions 6.4.9, 7.0.7, and 7.1.1.
silverstripe/userforms 的其他漏洞
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