Vulnerability CVE-2022-39357
Published: 2022-10-26

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.

 References:
https://github.com/wintercms/winter/releases/tag/v1.2.1
https://github.com/wintercms/winter/commit/2a13faf99972e84c9661258f16c4750fa99d29a1
https://github.com/wintercms/winter/commit/bce4b59584abf961e9400af3d7a4fd7638e26c7f
https://github.com/wintercms/winter/security/advisories/GHSA-3fh5-q6fg-w28q
https://github.com/wintercms/winter/releases/tag/v1.1.10
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