CVE Watch12 de nov. de 2026

CVE-2026-127203

AppFlowy Cloud through 0.9.64 contains a stored cross-site scripting vulnerability that allows authenticated workspace members to upload blo

CVSS

5.4

Média

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 12 de nov. de 2026 · Última mod.: 12 de nov. de 2026 · CWE-79

EPSS · 30d

Ainda não há histórico EPSS suficiente.

Descrição técnica

AppFlowy Cloud through 0.9.64 contains a stored cross-site scripting vulnerability that allows authenticated workspace members to upload blobs with unvalidated Content-Type values that are later served inline without a Content-Disposition header or authentication on the retrieval route. Attackers can upload a text/html or image/svg+xml blob via put_blob_handler, which is then rendered as an active same-origin document through the unauthenticated get_blob_handler endpoint and cached immutably for one year, enabling persistent script execution against any visitor who accesses the URL.

Referências oficiais

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