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CVE-2026-53673

Estado: AplazadaAlta (8.6)—

BuddyPress 14.4.0 contains an insecure direct object reference vulnerability in the messages REST API that allows authenticated attackers to access arbitrary private message threads by supplying a user_id parameter in the request. Attackers can pass another user's identifier to the get_item_permissions_check method, which validates the supplied user_id instead of the logged-in user and is reused by the update and delete handlers, to read, reply to, or delete any user's private messages.

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).

🎯 Técnicas ATT&CK

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

Acceso remoto autenticado (PR:L) a API REST con IDOR permite leer mensajes privados ajenos (T1005) y modificarlos (T1565.001). Requiere credenciales válidas pero sin privilegios elevados.

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

Tecnologías afectadas (1)

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

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-53673",
  "cveTags": [],
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        "ssvcData": {
          "id": "CVE-2026-53673",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2026-06-10T18:10:31.618503Z"
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
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    "cvssMetricV40": [
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        "type": "Secondary",
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        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
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          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
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          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
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          "vulnAvailabilityImpact": "NONE",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
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          "modifiedAttackRequirements": "NOT_DEFINED",
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          "modifiedSubIntegrityImpact": "NOT_DEFINED",
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          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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  "affected": [
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      "affectedData": [
        {
          "vendor": "BuddyPress",
          "product": "BuddyPress",
          "versions": [
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              "version": "0",
              "versionType": "semver",
              "lessThanOrEqual": "14.4.0"
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  "published": "2026-06-10T00:16:55.040",
  "references": [
    {
      "url": "https://buddypress.org/",
      "source": "disclosure@vulncheck.com"
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    {
      "url": "https://wordpress.org/plugins/buddypress/",
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      "url": "https://www.vulncheck.com/advisories/buddypress-private-message-idor-via-rest-api-user-id-parameter",
      "source": "disclosure@vulncheck.com"
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  "vulnStatus": "Deferred",
  "weaknesses": [
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      "description": [
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          "value": "CWE-639"
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    {
      "lang": "en",
      "value": "BuddyPress 14.4.0 contains an insecure direct object reference vulnerability in the messages REST API that allows authenticated attackers to access arbitrary private message threads by supplying a user_id parameter in the request. Attackers can pass another user's identifier to the get_item_permissions_check method, which validates the supplied user_id instead of the logged-in user and is reused by the update and delete handlers, to read, reply to, or delete any user's private messages."
    },
    {
      "lang": "es",
      "value": "BuddyPress 14.4.0 contiene una vulnerabilidad de referencia directa a objeto insegura en la API REST de mensajes que permite a atacantes autenticados acceder a hilos de mensajes privados arbitrarios al proporcionar un parámetro user_id en la solicitud. Los atacantes pueden pasar el identificador de otro usuario al método get_item_permissions_check, que valida el user_id proporcionado en lugar del usuario autenticado y es reutilizado por los manejadores de actualización y eliminación, para leer, responder o eliminar los mensajes privados de cualquier usuario."
    }
  ],
  "lastModified": "2026-07-23T09:10:00.113",
  "sourceIdentifier": "disclosure@vulncheck.com"
}