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CVE-2024-0855

Estado: AnalizadaMedia (5.3)—

The Spiffy Calendar WordPress plugin before 4.9.9 doesn't check the event_author parameter, and allows any user to alter it when creating an event, leading to deceiving users/admins that a page was created by a Contributor+.

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)

Spiffyplugins — Spiffy Calendar

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-0855",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-0855",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-08-08T20:36:24.520489Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "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": "contact@wpscan.com",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Spiffy Calendar",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "4.9.9",
              "versionType": "semver"
            }
          ],
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected"
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:spiffyplugins:spiffy_calendar:*:*:*:*:*:wordpress:*:*"
          ],
          "vendor": "spiffyplugins",
          "product": "spiffy_calendar",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "4.4.9",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2024-02-27T09:15:37.497",
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/5d5da91e-3f34-46b0-8db2-354a88bdf934/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "contact@wpscan.com"
    },
    {
      "url": "https://wpscan.com/vulnerability/5d5da91e-3f34-46b0-8db2-354a88bdf934/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Spiffy Calendar WordPress plugin before 4.9.9 doesn't check the event_author parameter, and allows any user to alter it when creating an event, leading to deceiving users/admins that a page was created by a Contributor+."
    },
    {
      "lang": "es",
      "value": "El complemento Spiffy Calendar de WordPress anterior a 4.9.9 no verifica el parámetro event_author y permite a cualquier usuario modificarlo al crear un evento, lo que lleva a engañar a los usuarios/administradores de que una página fue creada por un Contributor+."
    }
  ],
  "lastModified": "2026-06-17T06:54:26.413",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:spiffyplugins:spiffy_calendar:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8E535E94-9728-423B-B60C-3EF8E205E938",
              "versionEndExcluding": "4.9.9"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "contact@wpscan.com"
}