TI-2018-12043 Aliases CVE-2018-16831 GHSA-65j5-vpm7-6xp4

Smarty before 3.1.33-dev-4 allows attackers to bypass the trusted_dir protection…

LOW 31CWE-22Published 2018-09-11 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.

Summary

Smarty before 3.1.33-dev-4 allows attackers to bypass the trusted_dir protection mechanism via a file:./../ substring in an include statement.

Why it matters now

EPSS 0.02664 85th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed smarty/smarty (Packagist): 3.1.33

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA
—	smarty/smarty (Packagist)	before 3.1.33	3.1.33	Patch available	GHSA-65j5-vpm7-6xp4

— Vendor— Affected all versions Fixed in — No fix listed CNA
smarty/smarty (Packagist) Vendor— Affected before 3.1.33 Fixed in 3.1.33 Patch available GHSA-65j5-vpm7-6xp4

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:smarty:smarty::::::::	3.0.0 – 3.1.32	Vulnerable	smarty-php

cpe:2.3:a:smarty:smarty:*:*:*:*:*:*:*:* Versions 3.0.0 – 3.1.32 Vulnerable ·smarty-php

Remediation

Fix · GHSA-65j5-vpm7-6xp4 smarty/smarty (Packagist) Fixed in 3.1.33 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2018-16831
2026-10-03 Alias added: GHSA-65j5-vpm7-6xp4

References

Exploit 1

https://github.com/smarty-php/smarty/issues/486

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2018-16831

Other 3

TI-2021-08070 Smarty before 3.1.39 allows code injection via an unexpected function name after a {function name= substring. CVSS 3.1CRITICAL 9.8
TI-2009-01585 The smarty_function_math function in libs/plugins/function.math.php in Smarty 2.6.22… CVSS 2.0HIGH 10.0
TI-2006-06846 PHP remote file inclusion vulnerability in libs/Smarty.class.php in Smarty 2.6.9 allows… CVSS 3.1CRITICAL 9.8
TI-2022-11764 PHP Code Injection by malicious block or filename in Smarty CVSS 3.1HIGH 8.8
TI-2017-14689 Smarty 3 before 3.1.32 is vulnerable to a PHP code injection when calling fetch() or… CVSS 3.0CRITICAL 9.8
TI-2010-04450 Smarty before 3.0.0 beta 7 does not properly handle the <?php and ?> tags, which has… CVSS 2.0HIGH 10.0

See all 30 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences