# winter/wn-system-module (Packagist) vulnerabilities

3 known vulnerabilities (1 critical, 1 medium, 1 low), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://packagist.org/packages/winter/wn-system-module

## Advisories (3)

### [CVE-2026-79774](https://cve.now/CVE-2026-79774): Winter CMS before 1.2.13 Twig Sandbox Escape via SecurityPolicy

- Severity: Critical 9.3
- Published: Aug 25, 2026
- Affected: from 1.2.7, fixed in 1.2.13.

### [CVE-2026-79773](https://cve.now/CVE-2026-79773): Winter CMS before 1.2.13 Local File Inclusion via JavaScript

- Severity: Medium 6.9
- Published: Aug 25, 2026
- Affected: fixed in 1.2.13.

### [CVE-2023-52083](https://cve.now/CVE-2023-52083): Stored XSS through privileged upload of Media Manager file followed by renaming

- Severity: Low 2.0
- Published: Dec 28, 2023
- Affected: fixed in 1.2.4.

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