CVE-2026-32257

8.1 Élevée

Publiée le 26/08/2026 à 19:16 · Modifiée le 09/09/2026 à 23:09 · Analyse NVD reportée · Source : security-advisories@github.com

Description

Winter is a free, open-source content management system (CMS) based on the Laravel PHP framework. Prior to 1.2.13, custom CSS supplied through the Brand Settings Styles field by a backend user with the backend.manage_branding permission is compiled by the LESS parser and rendered without sanitization on every backend page, allowing stored cross-site scripting against backend users. This issue is fixed in version 1.2.13.

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Produits concernés

wintercms winter

Scores CVSS

Version	Score	Source	Vecteur
3.1	8.1 Élevée	security-advisories@github.com	`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N`

Faiblesses (CWE)

CWE-79

Références

https://github.com/wintercms/winter/commit/d28f0b9474af79cfaa80eeb9d691f7a7c4469720
https://github.com/wintercms/winter/security/advisories/GHSA-v7cf-8gh9-gxmj

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories