Vulnerability Database · Packagist · wintercms/winter · Version
wintercms/winter v1.0.421
v1.0.421 is affected by 3 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to.
Critical 0 High 1 Medium 1 Low 1 Unrated 0
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Database updated 23/Oct/2026
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01 Vulnerabilities affecting this version
wintercms/winter v1.0.421 vulnerabilities
3 vulnerabilities cover wintercms/winter v1.0.421. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| Winter CMS Server-Side Template Injection (SSTI) Vulnerability in wintercms/winter | 8.8 high | No fix published | 29 Mar 2024 |
| CVE-2023-37269: Winter CMS stored XSS through privileged upload of SVG file | 2.0 low | 1.2.3 | 07 Jul 2023 |
| Bypass of CMS Safe Mode Security Feature in Winter CMS | N/A medium | 1.0.475 | 15 Jul 2022 |
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Questions
About wintercms/winter v1.0.421
Is wintercms/winter v1.0.421 vulnerable?
Yes. 3 vulnerabilities in the Vulert database cover wintercms/winter v1.0.421: 0 critical, 1 high, 1 medium and 1 low. Each entry above names the fixed version to move to.
How do I monitor wintercms/winter for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the wintercms/winter version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.