CVE-2023-52085: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

December 29, 2023 (updated January 5, 2024)

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.

References

github.com/wintercms/winter/commit/5bc9257fe2bc47d8b786a1b1bf96bafad23d8ddd
github.com/wintercms/winter/security/advisories/GHSA-2x7r-93ww-cxrq
nvd.nist.gov/vuln/detail/CVE-2023-52085

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