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CVE-2018-16861

Estado: ModificadaMedia (4.8)—

A cross-site scripting (XSS) flaw was found in the foreman component of satellite. An attacker with privilege to create entries using the Hosts, Monitor, Infrastructure, or Administer Menus is able to execute a XSS attacks against other users, possibly leading to malicious code execution and extraction of the anti-CSRF token of higher privileged users. Foreman before 1.18.3, 1.19.1, and 1.20.0 are vulnerable.

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)

Theforeman — Foreman

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-16861",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "secalert@redhat.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.6,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.5,
        "exploitabilityScore": 2.1
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.0",
          "baseScore": 4.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 1.7
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "The Foreman Project",
          "product": "foreman",
          "versions": [
            {
              "status": "affected",
              "version": "1.18.3"
            },
            {
              "status": "affected",
              "version": "1.19.1"
            },
            {
              "status": "affected",
              "version": "1.20.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-12-07T19:29:00.193",
  "references": [
    {
      "url": "https://access.redhat.com/errata/RHSA-2019:1222",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16861",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2019:1222",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16861",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A cross-site scripting (XSS) flaw was found in the foreman component of satellite. An attacker with privilege to create entries using the Hosts, Monitor, Infrastructure, or Administer Menus is able to execute a XSS attacks against other users, possibly leading to malicious code execution and extraction of the anti-CSRF token of higher privileged users. Foreman before 1.18.3, 1.19.1, and 1.20.0 are vulnerable."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un error Cross-Site Scripting (XSS) en el componente \"satellite\" de Foreman. Un atacante con privilegios para crear entradas mediante los menús Hosts, Monitor, Infrastructure o Administer puede ejecutar ataques Cross-Site Scripting (XSS) contra otros usuarios, lo que podría conducir a la ejecución de código malicioso y a la extracción del token anti-CSRF de usuarios con mayores privilegios. Las versiones anteriores a la 1.18.3, 1.19.1 y 1.20.0 de Foreman son vulnerables."
    }
  ],
  "lastModified": "2026-06-17T01:44:56.027",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:theforeman:foreman:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9670F448-B55D-4B3B-85AF-6BCFE331805B",
              "versionEndExcluding": "1.18.3"
            },
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              "vulnerable": true,
              "matchCriteriaId": "071F86C2-4E3C-4399-B83C-DA7A676C4343",
              "versionEndExcluding": "1.19.1",
              "versionStartIncluding": "1.19.0"
            },
            {
              "criteria": "cpe:2.3:a:theforeman:foreman:1.20.0:rc1:*:*:*:*:*:*",
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              "matchCriteriaId": "616C28D2-04E7-4D7A-B1BA-C8B3B6872D6B"
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              "vulnerable": true,
              "matchCriteriaId": "973FDBFF-5209-477C-A581-E86AC6DAEAF7"
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          ],
          "operator": "OR"
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  ],
  "sourceIdentifier": "secalert@redhat.com"
}