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CVE-2019-17495

Estado: ModificadaCrítica (9.8)—💥 PoC

A Cascading Style Sheets (CSS) injection vulnerability in Swagger UI before 3.23.11 allows attackers to use the Relative Path Overwrite (RPO) technique to perform CSS-based input field value exfiltration, such as exfiltration of a CSRF token value. In other words, this product intentionally allows the embedding of untrusted JSON data from remote servers, but it was not previously known that <style>@import within the JSON data was a functional attack method.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.

Tecnologías afectadas (6)

Oracle — Banking ApisOracle — Banking Digital ExperienceOracle — Banking PlatformOracle — Primavera GatewayOracle — Utilities FrameworkSmartbear — Swagger UI

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2019-17495",
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      "value": "A Cascading Style Sheets (CSS) injection vulnerability in Swagger UI before 3.23.11 allows attackers to use the Relative Path Overwrite (RPO) technique to perform CSS-based input field value exfiltration, such as exfiltration of a CSRF token value. In other words, this product intentionally allows the embedding of untrusted JSON data from remote servers, but it was not previously known that <style>@import within the JSON data was a functional attack method."
    },
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      "value": "Una vulnerabilidad de inyección de Cascading Style Sheets (CSS) en Swagger UI versiones anteriores a la versión  3.23.11, permite a atacantes utilizar la técnica de sobrescritura de ruta relativa (RPO) para realizar una exfiltración del valor de campo de entrada basada en CSS, como la exfiltración de un valor de token CSRF. En otras palabras, este producto permite intencionalmente insertar datos JSON no confiables desde servidores remotos, pero no se sabía previamente que (style)@import dentro de los datos JSON era un método de ataque funcional."
    }
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  "lastModified": "2026-06-17T02:24:00.037",
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