CVE-2021-21408: Improper Input Validation

January 10, 2022 (updated November 7, 2023)

Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. A vulnerability was found that may allow template authors could run restricted static php methods.

References

github.com/smarty-php/smarty/commit/19ae410bf56007a5ef24441cdc6414619cfaf664
github.com/smarty-php/smarty/releases/tag/v3.1.43
github.com/smarty-php/smarty/releases/tag/v4.0.3
github.com/smarty-php/smarty/security/advisories/GHSA-4h9c-v5vg-5m6m
nvd.nist.gov/vuln/detail/CVE-2021-21408

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