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CVE-2021-29454

Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic.

Impact

Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. Prior to versions 3.1.42 and 4.0.2, template authors could run arbitrary PHP code by crafting a malicious math string. If a math string was passed through as user provided data to the math function, external users could run arbitrary PHP code by crafting a malicious math string. Users should upgrade to version 3.1.42 or 4.0.2 to receive a patch.

Affected products

VendorProductAffected versions
SmartySmarty
before 3.1.42
from 4.0.0 before 4.0.2
DebianDebian Linux
Versions 9.0, 10.0, 11.0
FedoraprojectFedora
Versions 36, 37

Weakness classification

CWE-74

References