CVE-2022-39357

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.

• CWE-1321
• CWE-1321

• https://github.com/wintercms/winter/commit/2a13faf99972e84c9661258f16c4750fa99d29a1Patch, Third Party Advisory
• https://github.com/wintercms/winter/commit/bce4b59584abf961e9400af3d7a4fd7638e26c7fPatch, Third Party Advisory
• https://github.com/wintercms/winter/releases/tag/v1.1.10Release Notes, Third Party Advisory
• https://github.com/wintercms/winter/releases/tag/v1.2.1Release Notes, Third Party Advisory
• https://github.com/wintercms/winter/security/advisories/GHSA-3fh5-q6fg-w28qPatch, Third Party Advisory
• https://github.com/wintercms/winter/commit/2a13faf99972e84c9661258f16c4750fa99d29a1Patch, Third Party Advisory
• https://github.com/wintercms/winter/commit/bce4b59584abf961e9400af3d7a4fd7638e26c7fPatch, Third Party Advisory
• https://github.com/wintercms/winter/releases/tag/v1.1.10Release Notes, Third Party Advisory
• https://github.com/wintercms/winter/releases/tag/v1.2.1Release Notes, Third Party Advisory
• https://github.com/wintercms/winter/security/advisories/GHSA-3fh5-q6fg-w28qPatch, Third Party Advisory

Published

Oct 26, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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