{"id":"CVE-2026-32258","summary":"Winter: Stored XSS through Editor Settings custom styles","details":"Winter is a free, open-source content management system (CMS) based on the Laravel PHP framework. From 1.2.10 through 1.2.12, authenticated backend users with the backend.manage_editor permission can store custom Markup Styles that are compiled by the LESS parser and rendered without sanitization on every backend page, allowing stored cross-site scripting. This issue is fixed in version 1.2.13.","aliases":["GHSA-vgp4-2fc4-qff2"],"modified":"2026-08-28T11:47:24.811972901Z","published":"2026-08-26T16:49:06.852Z","database_specific":{"cwe_ids":["CWE-79"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32258.json","cna_assigner":"GitHub_M"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32258.json"},{"type":"ADVISORY","url":"https://github.com/wintercms/winter/security/advisories/GHSA-vgp4-2fc4-qff2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32258"},{"type":"FIX","url":"https://github.com/wintercms/winter/commit/d28f0b9474af79cfaa80eeb9d691f7a7c4469720"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wintercms/winter","events":[{"introduced":"9e456ee96227b26763b9a8e00554f238614aea56"},{"fixed":"e09c8d3526f3583cb6c3476a021b885088ecd4bd"}],"database_specific":{"extracted_events":[{"introduced":"1.2.10"},{"fixed":"1.2.13"}],"source":"AFFECTED_FIELD"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-32258.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N"}]}