Prototype pollution in Snowboard framework

緊急 9.8CVE-2022-39357 · GHSA-3fh5-q6fg-w28q · 26/10/2022 公開 · 17/06/2026 更新

要点

CVE-2022-39357 は wintercms/winter, winter (wintercms) に影響する深刻度「緊急」 (CVSS 9.8) の脆弱性です。
今後30日間に悪用される確率（EPSS）：1.4%（全脆弱性の 71.8% より高い）。
対処：1.1.10, 1.2.1 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
wintercms/winter Packagist	`≥ 1.1.8, < 1.1.10≥ 1.2.0, < 1.2.1`	`1.1.101.2.1`
winter wintercms	`= 1.1.8= 1.1.9= 1.2.0`	修正版なし

概要

Impact

The Snowboard framework in affected versions is vulnerable to prototype pollution in the main Snowboard class as well as its plugin loader.

Patches

This issue has been patched in https://github.com/wintercms/winter/commit/2a13faf99972e84c9661258f16c4750fa99d29a1 (for 1.2) and https://github.com/wintercms/winter/commit/bce4b59584abf961e9400af3d7a4fd7638e26c7f (for 1.1) and is available with Winter v1.1.10 and v1.2.1.

Workarounds

If you have not yet upgraded, or are using the 1.1 branch of Winter (1.1.8 or above), you can avoid this issue by following some common security practices for JavaScript, including implementing a content security policy and auditing your scripts.

The 1.0 branch of Winter is not affected, as it does not contain the Snowboard framework.

For more information

If you have any questions or comments about this advisory:

Email us at [email protected]

NVD の説明

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.