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CVE-2026-30878

Estado: AnalizadaMedia (5.3)—

baserCMS is a website development framework. Prior to version 5.2.3, a public mail submission API allows unauthenticated users to submit mail form entries even when the corresponding form is not accepting submissions. This bypasses administrative controls intended to stop form intake and enables spam or abuse via the API. This issue has been patched in version 5.2.3.

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)

Basercms — Basercms

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-30878",
  "cveTags": [],
  "metrics": {
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      {
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        "ssvcData": {
          "id": "CVE-2026-30878",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-31T18:39:51.414757Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "baserproject",
          "product": "basercms",
          "versions": [
            {
              "status": "affected",
              "version": "< 5.2.3"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-03-31T01:16:35.977",
  "references": [
    {
      "url": "https://basercms.net/security/JVN_20837860",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/baserproject/basercms/releases/tag/5.2.3",
      "tags": [
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    },
    {
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        "Vendor Advisory"
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-285"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "baserCMS is a website development framework. Prior to version 5.2.3, a public mail submission API allows unauthenticated users to submit mail form entries even when the corresponding form is not accepting submissions. This bypasses administrative controls intended to stop form intake and enables spam or abuse via the API. This issue has been patched in version 5.2.3."
    },
    {
      "lang": "es",
      "value": "baserCMS es un framework de desarrollo de sitios web. Anteriormente a la versión 5.2.3, una API pública de envío de correo permite a usuarios no autenticados enviar entradas de formularios de correo incluso cuando el formulario correspondiente no está aceptando envíos. Esto elude los controles administrativos destinados a detener la recepción de formularios y permite el correo no deseado o el abuso a través de la API. Este problema ha sido parcheado en la versión 5.2.3."
    }
  ],
  "lastModified": "2026-06-17T10:33:04.737",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "07DEEEF3-0621-431D-8A38-405EDBD0957E",
              "versionEndExcluding": "5.2.3"
            }
          ],
          "operator": "OR"
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      ]
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  ],
  "sourceIdentifier": "security-advisories@github.com"
}