CVE-2022-39357

High

Description

Winter is a free, open-source content management system based on the Laravel PHP framework. The Snowboard framework in versions 1.1.8, 1.1.9, and 1.2.0 is vulnerable to prototype pollution in the main Snowboard class as well as its plugin loader. The 1.0 branch of Winter is not affected, as it does not contain the Snowboard framework. This issue has been patched in v1.1.10 and v1.2.1. As a workaround, one may avoid this issue by following some common security practices for JavaScript, including implementing a content security policy and auditing scripts.

SeverityHigh
CVSS8.1
Exploit probability—
ProductWinter
PublishedOct 26, 2022
First seenOct 26, 2022

How to fix

Update
  • wintercms/winter1.1.10, 1.2.1 or later

Affected products

ProductAffected versionsFixed in
wintercms winter1.1.8, 1.1.9, 1.2.0—
wintercms/winterPackagist1.1.8 ≤ v < 1.1.10, 1.2.0 ≤ v < 1.2.11.1.10, 1.2.1

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