CVE-2024-54142

Estado: AplazadaCrítica (9)—

Discourse AI is a Discourse plugin which provides a number of AI features. When sharing Discourse AI Bot conversations into posts, if the conversation had HTML entities those could leak into the Discourse application when a user visited a post with a onebox to said conversation. This issue has been addressed in commit `92f122c`. Users are advised to update. Users unable to update may remove all groups from `ai bot public sharing allowed groups` site setting.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Puntuación base: 9

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.42%
Percentil entre todas las CVEs puntuadas: 34
Fecha de la puntuación: 6/10/2026

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1189 Drive-by Compromiseinitial access95 %
Impacto principalT1059.007 JavaScriptexecution85 %
Impacto secundarioT1078 Valid Accountsstealth · persistence · privilege escalation · initial access60 %

XSS via HTML entities en onebox (CWE-79) permite ejecutar JavaScript en navegador. UI:R+S:C+C:H/I:H sugieren compromiso de sesión de usuario.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

User Training Restrict Web-Based Content Application Developer Guidance Active Directory Configuration User Account Management Privileged Account Management

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Discourse — AI^AI

CWE

CWE-79

Referencias

JSON original (NVD)

Mostrar

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        "ssvcData": {
          "id": "CVE-2024-54142",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
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            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
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          ],
          "version": "2.0.3",
          "timestamp": "2025-01-15T14:54:36.507427Z"
        }
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          "attackVector": "NETWORK",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
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          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
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  "published": "2025-01-14T23:15:08.687",
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      "url": "https://github.com/discourse/discourse-ai/commit/92f122c54d9d7ead9223a056270bff5b4c42c73f",
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      "value": "Discourse AI is a Discourse plugin which provides a number of AI features. When sharing Discourse AI Bot conversations into posts, if the conversation had HTML entities those could leak into the Discourse application when a user visited a post with a onebox to said conversation. This issue has been addressed in commit `92f122c`. Users are advised to update. Users unable to update may remove all groups from `ai bot public sharing allowed groups` site setting."
    },
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      "value": " Discourse AI es un complemento de Discourse que proporciona una serie de funciones de inteligencia artificial. Al compartir conversaciones de Discourse AI Bot en publicaciones, si la conversación tenía entidades HTML, estas podrían filtrarse en la aplicación Discourse cuando un usuario visitara una publicación con un cuadro único para dicha conversación. Este problema se ha solucionado en la confirmación `92f122c`. Se recomienda a los usuarios que actualicen. Los usuarios que no puedan actualizar pueden eliminar todos los grupos de la configuración del sitio `ai bot public sharing allowed groups`."
    }
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  "lastModified": "2026-06-17T08:09:50.983",
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