# CVE-2018-16831: Smarty Path Traversal Vulnerability

Source: https://junglewise.ai/threats/cve-2018-16831-smarty-path-traversal-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-14  
License: CC BY 4.0 with a link back

CVE-2018-16831 · Severity: low · CVSS 3 · Published 2022-05-14

Smarty Path Traversal Vulnerability

Technologies: [smarty/smarty (Packagist)](https://junglewise.ai/threats/technologies/smarty-smarty). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2018-16831 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2018-16831 being exploited in the wild.

**How severe is CVE-2018-16831?** Low severity, with a CVSS score of 3, published 14 May 2022.

**Which products and versions are affected?** smarty/smarty (Packagist) ECOSYSTEM:introduced=0,fixed=3.1.33.

**Is there a fix for CVE-2018-16831?** Yes. smarty/smarty (Packagist): upgrade to 3.1.33 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2018-16831?** Check whether you run smarty/smarty (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- smarty/smarty (Packagist): upgrade to 3.1.33 or later

  ```sh
  composer require smarty/smarty:^3.1.33
  ```


## Affected products

- smarty/smarty (Packagist) ECOSYSTEM:introduced=0,fixed=3.1.33

## Identifiers

- CVE-2018-16831
- GHSA-65j5-vpm7-6xp4

## Related threats

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- [Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. Prior to 5.8.2 (and 4.5.](https://junglewise.ai/threats/cve-2026-62992-smarty-symlink-path-traversal-in-security-policy)
- [Smarty vulnerable to PHP Code Injection by malicious attribute in extends-tag](https://junglewise.ai/threats/cve-2024-35226-smarty-vulnerable-to-php-code-injection-by-malicious-attribute-in)
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