# CVE-2022-39357: Prototype pollution in Snowboard framework

Source: https://junglewise.ai/threats/cve-2022-39357-prototype-pollution-in-snowboard-framework  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-10-27  
License: CC BY 4.0 with a link back

CVE-2022-39357 · Severity: low · CVSS 3.1 · Published 2022-10-27

Prototype pollution in Snowboard framework

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

## Quick answers

**Is CVE-2022-39357 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2022-39357 being exploited in the wild.

**How severe is CVE-2022-39357?** Low severity, with a CVSS score of 3.1, published 27 October 2022.

**Which products and versions are affected?** wintercms/winter (Packagist) ECOSYSTEM:introduced=1.1.8,fixed=1.1.10.

**Is there a fix for CVE-2022-39357?** Yes. wintercms/winter (Packagist): upgrade to 1.1.10 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2022-39357?** Check whether you run wintercms/winter (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

- wintercms/winter (Packagist): upgrade to 1.1.10 or later

  ```sh
  composer require wintercms/winter:^1.1.10
  ```


## Affected products

- wintercms/winter (Packagist) ECOSYSTEM:introduced=1.1.8,fixed=1.1.10

## Identifiers

- CVE-2022-39357
- GHSA-3fh5-q6fg-w28q

## Related threats

- [Winter CMS Server-Side Template Injection (SSTI) vulnerability](https://junglewise.ai/threats/cve-2024-29686-winter-cms-server-side-template-injection-ssti-vulnerability)
- [Winter CMS stored XSS through privileged upload of SVG file](https://junglewise.ai/threats/cve-2023-37269-winter-cms-stored-xss-through-privileged-upload-of-svg-file)
- [Bypass of CMS Safe Mode Security Feature](https://junglewise.ai/threats/bypass-of-cms-safe-mode-security-feature-07e70b94)