CVE-2021-21408 (GCVE-0-2021-21408)

Vulnerability from cvelistv5 – Published: 2022-01-10 00:00 – Updated: 2025-04-23 19:14
VLAI
Title
Access to restricted PHP code by dynamic static class access in smarty
Summary
Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. Prior to versions 3.1.43 and 4.0.3, template authors could run restricted static php methods. Users should upgrade to version 3.1.43 or 4.0.3 to receive a patch.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 15:57 UTC
CWE
  • CWE-20 - Improper Input Validation
Assigner
References
Impacted products
Vendor Product Version
smarty-php smarty Affected: < 3.1.43
Affected: >= 4.0.0, < 4.0.3
Create a notification for this product.
Show details on NVD website
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