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CVE-2026-28556

Estado: AnalizadaMedia (5.3)—

wpForo Forum 2.4.14 contains a missing authorization vulnerability that allows authenticated subscribers to move, merge, or split any forum topic via the topic_move, topic_merge, and topic_split form action handlers. Attackers with a valid form nonce can reorganize arbitrary forum content without moderator permissions, including relocating topics to private forums.

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).

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

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  "cveTags": [],
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          "version": "4.0",
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          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
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          "valueDensity": "NOT_DEFINED",
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          "modifiedAttackVector": "NOT_DEFINED",
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          "modifiedUserInteraction": "NOT_DEFINED",
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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      "affectedData": [
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          "vendor": "gVectors Team",
          "product": "wpForo Forum",
          "versions": [
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              "versionType": "custom"
            },
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              "version": "2.4.16",
              "versionType": "semver"
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  "published": "2026-02-28T22:16:02.220",
  "references": [
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      "url": "https://wordpress.org/plugins/wpforo/",
      "tags": [
        "Product"
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    },
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      "url": "https://wordpress.org/plugins/wpforo/#developers",
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    },
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      "url": "https://www.vulncheck.com/advisories/wpforo-forum-missing-authorization-via-topic-management-form-handlers",
      "tags": [
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  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-862"
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  ],
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    },
    {
      "lang": "es",
      "value": "wpForo Forum 2.4.14 contiene una vulnerabilidad por falta de autorización que permite a suscriptores autenticados mover, fusionar o dividir cualquier tema del foro a través de los manejadores de acción de formulario topic_move, topic_merge y topic_split. Atacantes con un nonce de formulario válido pueden reorganizar contenido arbitrario del foro sin permisos de moderador, incluyendo reubicar temas a foros privados."
    }
  ],
  "lastModified": "2026-06-17T10:28:50.717",
  "configurations": [
    {
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        {
          "negate": false,
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