CVE-2026-54721
1 advisory.
Packagist/silverstripe/userforms CVE-2026-54721: high 8.8, EPSS 0.73%
silverstripe/userforms vulnerable to remote code execution via userforms email subject
Action: Upgrade silverstripe/userforms to 6.4.9 or later.
composer require silverstripe/userforms:6.4.9composer require silverstripe/userforms:7.0.7composer require silverstripe/userforms:7.1.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.4.9 | - |
| 7.0.0 | 7.0.7 | - |
| 7.1.0 | 7.1.1 | - |
Fixed versions
| 6.4.9 | 7.0.7 | 7.1.1 |
Sources
- osv: GHSA-g8wr-r2v2-vqc6
- https://github.com/silverstripe/silverstripe-userforms/security/advisories/GHSA-g8wr-r2v2-vqc6
- https://github.com/silverstripe/silverstripe-userforms/pull/1441
- https://github.com/silverstripe/silverstripe-userforms/pull/1442
- https://github.com/silverstripe/silverstripe-userforms/commit/23c069866900c19b499bfa997d1e251e97491702
- https://github.com/silverstripe/silverstripe-userforms/commit/c55494ad7c717b199a3c1663b43a54db5d95604c
- https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/userforms/CVE-2026-54721.yaml
- https://github.com/silverstripe/silverstripe-userforms
- https://github.com/silverstripe/silverstripe-userforms/releases/tag/6.4.9
- https://github.com/silverstripe/silverstripe-userforms/releases/tag/7.0.7
- https://github.com/silverstripe/silverstripe-userforms/releases/tag/7.1.1
- https://www.silverstripe.org/download/security-releases/cve-2026-54721
CVE-2026-54721 · published · modified · JSON