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CVE-2025-6050

Estado: AnalizadaMedia (4.8)—

Mezzanine CMS, in versions prior to 6.1.1, contains a Stored Cross-Site Scripting (XSS) vulnerability in the admin interface. The vulnerability exists in the "displayable_links_js" function, which fails to properly sanitize blog post titles before including them in JSON responses served via "/admin/displayable_links.js". An authenticated admin user can create a blog post with a malicious JavaScript payload in the title field, then trick another admin user into clicking a direct link to the "/admin/displayable_links.js" endpoint, causing the malicious script to execute in their browser.

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)

Jupo — Mezzanine

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-6050",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-6050",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-07-24T15:30:06.326767Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 4.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/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
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "596c5446-0ce5-4ba2-aa66-48b3b757a647",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 4.8,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/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",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "PASSIVE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "HIGH",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "LOW",
          "vulnConfidentialityImpact": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "596c5446-0ce5-4ba2-aa66-48b3b757a647",
      "affectedData": [
        {
          "repo": "https://github.com/stephenmcd/mezzanine",
          "vendor": "jupo",
          "product": "mezzanine",
          "versions": [
            {
              "status": "affected",
              "version": "0.1",
              "lessThan": "6.1.1",
              "versionType": "python"
            }
          ],
          "packageName": "Mezzanine",
          "programFiles": [
            "mezzanine/core/views.py"
          ],
          "collectionURL": "https://pypi.python.org",
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-06-17T11:15:22.400",
  "references": [
    {
      "url": "https://advisory.checkmarx.net/advisory/CVE-2025-6050/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "596c5446-0ce5-4ba2-aa66-48b3b757a647"
    },
    {
      "url": "https://github.com/stephenmcd/mezzanine/commit/898630d8df48cf3ddb8b9942f59168b93216e3f8",
      "tags": [
        "Patch"
      ],
      "source": "596c5446-0ce5-4ba2-aa66-48b3b757a647"
    },
    {
      "url": "https://github.com/stephenmcd/mezzanine/discussions/2080",
      "tags": [
        "Issue Tracking"
      ],
      "source": "596c5446-0ce5-4ba2-aa66-48b3b757a647"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "596c5446-0ce5-4ba2-aa66-48b3b757a647",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mezzanine CMS, in versions prior to 6.1.1, contains a Stored Cross-Site Scripting (XSS) vulnerability in the admin interface. The vulnerability exists in the \"displayable_links_js\" function, which fails to properly sanitize blog post titles before including them in JSON responses served via \"/admin/displayable_links.js\". An authenticated admin user can create a blog post with a malicious JavaScript payload in the title field, then trick another admin user into clicking a direct link to the \"/admin/displayable_links.js\" endpoint, causing the malicious script to execute in their browser."
    },
    {
      "lang": "es",
      "value": "Mezzanine CMS, en versiones anteriores a la 6.1.1, contiene una vulnerabilidad de Cross-Site Scripting (XSS) Almacenado en la interfaz de administración. La vulnerabilidad se encuentra en la función \"displayable_links_js\", que no depura correctamente los títulos de las entradas del blog antes de incluirlos en las respuestas JSON enviadas a través de \"/admin/displayable_links.js\". Un usuario administrador autenticado puede crear una entrada de blog con una carga maliciosa de JavaScript en el campo de título y luego engañar a otro usuario administrador para que haga clic en un enlace directo al endpoint \"/admin/displayable_links.js\", lo que provoca la ejecución del script malicioso en su navegador."
    }
  ],
  "lastModified": "2026-06-17T10:01:03.470",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:jupo:mezzanine:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C20669A0-74C5-4C5B-9BE7-0FE08C2F26D0",
              "versionEndExcluding": "6.1.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "596c5446-0ce5-4ba2-aa66-48b3b757a647"
}