CVE-2026-22254
lowPriorität · verfolgen · 14EPSS 0.003 · 21. PerzentilEUUSEPSS · bewertet 2026-10-27
Winter is a free, open-source content management system (CMS) based on the Laravel PHP framework. Versions of Winter CMS before 1.2.10 allow users with access to the CMS Asset Manager were able to upload SVGs without automatic sanitization. To actively exploit this security issue, an attacker would need access to the Backend with a user account with the following permission: cms.manage_assets. The Winter CMS maintainers strongly recommend that the cms.manage_assets permission only be reserved to trusted administrators and developers in general. This vulnerability is fixed in 1.2.10.
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · none–low · 0–3.5
SSVC
Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.
schwächen
Die CWE-Schwächeklassen, zu denen dies gehört.
betroffene Produkte (3)
Betroffene Produkte und Versionsbereiche.
Advisories (1)
Hersteller- und Ökosystem-Meldungen dazu.
- GHSA-m7gw-rffq-rxjmWinter CMS has Stored Cross-site Scripting (XSS) in Asset Manager2026-02-04ghsa · osvUS
## Impact Affected versions of Winter CMS allow users with access to the CMS Asset Manager were able to upload SVGs without automatic sanitization. To actively exploit this security issue, an attacker would need access to the Backend with a user account with the following permission: `cms.manage_assets` The Winter CMS maintainers strongly recommend that the `cms.manage_assets` permission only be reserved to trusted administrators and developers in general. ## Patches Sanitization of SVG assets is now applied automatically when uploading through the CMS Asset Manager. This security issue has been fixed as of https://github.com/wintercms/winter/commit/8a7f74b004fcd19721764fc63af0cdb339d9fb65. ## Workarounds If users cannot upgrade, they may apply commit https://github.com/wintercms/winter/commit/8a7f74b004fcd19721764fc63af0cdb339d9fb65 to their Winter CMS installation manually to resolve this issue.
auch bekannt als (3)
Weitere Namen und Kennungen dieser Entität.
quellen
Welche Quellen diesen Datensatz belegen und wann.
Referenzen (11)
Externe Belege — Patches, Meldungen, Analysen.
- https://access.redhat.com/security/cve/cve-2026-22254cnnvd
- https://github.com/wintercms/winter/commit/8a7f74b004fcd19721764fc63af0cdb339d9fb65cnnvd
- https://github.com/wintercms/winter/releasesPatchcnnvd
- https://github.com/wintercms/winter/releases/tag/v1.2.10cnnvd
- https://github.com/wintercms/winter/security/advisories/GHSA-m7gw-rffq-rxjmcnnvd
- https://github.com/wintercms/winter/commit/8a7f74b004fcd19721764fc63af0cdb339d9fb65enisa_euvd
- https://github.com/wintercms/winter/releases/tag/v1.2.10enisa_euvd
- https://github.com/wintercms/winter/security/advisories/GHSA-m7gw-rffq-rxjmenisa_euvd
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