CVE-2022-39357 Winter vulnerable to Prototype Pollution in Snowboard framework
Prototype pollution in Winter CMS Snowboard framework allows attackers to manipulate objects, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-39357?
CVE-2022-39357 is a high-severity vulnerability in wintercms winter, published on 26 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-1321
Which versions are affected by CVE-2022-39357?
4 open source packages ship an affected version, including wintercms/winter. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
wintercms/winter Packagist | From 1.1.8 | 1.1.10 |
wintercms/winter Packagist | From 1.1.8 | 1.1.10 |
wintercms/winter Packagist | From 1.2.0 | 1.2.1 |
wintercms/winter Packagist | From 1.2.0 | 1.2.1 |
Products include Wintercms Winter.
How do I fix CVE-2022-39357?
Upgrade wintercms/winter to a fixed version for your release line: 1.1.10 or 1.2.1.
Is CVE-2022-39357 being exploited?
There is no known exploitation of CVE-2022-39357 in the wild and no public exploit code.
Other vulnerabilities in wintercms winter
- CVE-2026-27591 Winter: Privilege escalation by authenticated backend users
- CVE-2024-54149 Winter CMS Modules allows a sandbox bypass in Twig templates leading to data modification and deletion
- CVE-2024-29686 Winter CMS Server-Side Template Injection (SSTI) vulnerability
- CVE-2023-52085 Winter CMS Local File Inclusion through Server Side Template Injection
- CVE-2023-52083 Stored XSS through privileged upload of Media Manager file followed by renaming
Sources
Also known as GHSA-3fh5-q6fg-w28q.