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CVE-2022-39357— Winter vulnerable to Prototype Pollution in Snowboard framework

Quick assessment

Affected
wintercms winter
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Winter是基于 Laravel PHP 框架的免费、开源、自托管 CMS 平台。 Winter 1.1.8、1.1.9 和 1.2.0 版本存在安全漏洞，该漏洞源于 Snowboard 框架容易受到 Snowboard 主类及其插件加载器中的原型污染。

CVSS 8.1 · High EPSS 1.14% · P66

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-39357

Vulnerability Information
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Vulnerability Title
Winter vulnerable to Prototype Pollution in Snowboard framework
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1321
Source: CVE Program / CVE List V5
Vulnerability Title
Winter 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Winter是基于 Laravel PHP 框架的免费、开源、自托管 CMS 平台。 Winter 1.1.8、1.1.9 和 1.2.0 版本存在安全漏洞，该漏洞源于 Snowboard 框架容易受到 Snowboard 主类及其插件加载器中的原型污染。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
wintercms winter >= 1.1.8, < 1.1.10 -

II. Public POCs for CVE-2022-39357

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III. Intelligence Information for CVE-2022-39357

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Patches & Fixes for CVE-2022-39357 (2)

Vendor Advisories for CVE-2022-39357 (1)

Other References for CVE-2022-39357 (2)

IV. Related Vulnerabilities

Same product: winter
Same vendor: wintercms
Same weakness: CWE-1321

V. Comments for CVE-2022-39357

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