Prototype Pollution in Wintercms Winter
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…
Vulnerability class: Prototype Pollution
EPSS: 0.011 (78.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Wintercms Winter — versions >= 1.1.8, < 1.1.10, = 1.2.0
Weakness classification (CWE)
References
- github.com/wintercms/winter/security/advisories/GHSA-3fh5-q6fg-w28q
- github.com/wintercms/winter/commit/2a13faf99972e84c9661258f16c4750fa99d29a1
- github.com/wintercms/winter/commit/bce4b59584abf961e9400af3d7a4fd7638e26c7f
- github.com/wintercms/winter/releases/tag/v1.1.10
- github.com/wintercms/winter/releases/tag/v1.2.1
Frequently asked questions
- What is CVE-2022-39357?
- CVE-2022-39357 is a high-severity vulnerability in Wintercms Winter, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 8.1/10. Published 2022-10-26.
- How severe is CVE-2022-39357?
- High severity. CVSS v3 base score is 8.1 out of 10.