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CVE-2022-39357

8.1 · HIGH

Winter is a free, open-source content management system based on the Laravel PHP framework.

Published Oct 26, 2022CWE-1321EPSS 1.14%

Overview

CVE-2022-39357 is a high-severity vulnerability. It was published on October 26, 2022 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/wintercms/winter/commit/2a13faf99972e84c9661258f16c4750fa99d29a1GitHubgithub.com/wintercms/winter/commit/bce4b59584abf961e9400af3d7a4fd7638e26c7fGitHubgithub.com/wintercms/winter/releases/tag/v1.1.10GitHubgithub.com/wintercms/winter/releases/tag/v1.2.1GitHubgithub.com/wintercms/winter/security/advisories/GHSA-3fh5-q6fg-w28qGitHubgithub.com/wintercms/winter/commit/2a13faf99972e84c9661258f16c4750fa99d29a1GitHubgithub.com/wintercms/winter/commit/bce4b59584abf961e9400af3d7a4fd7638e26c7fGitHubgithub.com/wintercms/winter/releases/tag/v1.1.10GitHubgithub.com/wintercms/winter/releases/tag/v1.2.1GitHubgithub.com/wintercms/winter/security/advisories/GHSA-3fh5-q6fg-w28q

How CyberStrike helps

Frequently asked questions

What is CVE-2022-39357?

CVE-2022-39357 is a high-severity vulnerability. It was published on October 26, 2022 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2022-39357?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-39357?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-39357?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-39357 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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