CVE Watch30 de out. de 2026

CVE-2026-55486

The Goobi viewer is a web application that allows digitised material to be displayed in a web browser. From version 25.08 to before version

CVSS

9.3

Crítica

EPSS

0.3%

p17

KEV

—

Exploit Today

0-100

Publicado: 23 de out. de 2026 · Última mod.: 30 de out. de 2026 · CWE-79 · CWE-113 · CWE-1336

EPSS · 30d

0.3%EPSS · 30 dias0.3%

2026-10-252026-11-05

Descrição técnica

The Goobi viewer is a web application that allows digitised material to be displayed in a web browser. From version 25.08 to before version 26.05, the IIIF Auth 2.0 endpoints auth/login and auth/token in AuthorizationFlowResource accept an origin query parameter without validation and then (1) embed it into the Content-Security-Policy: frame-ancestors response header and (2) embed it into an HTML response body as a JavaScript single-quoted postMessage argument. Because the attacker controls both the login and token calls that initiate the flow, the unescaped value yields reflected XSS. This issue has been patched in version 26.05.

Referências oficiais

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