{
  "affected": [
    {
      "affectedData": [
        {
          "product": "cms",
          "vendor": "craftcms",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 5.0.0-RC1, \u003c 5.9.23"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Craft CMS is a content management system (CMS). In versions 5.0.0-RC1 through 5.9.22, an author-level control panel user can store a malicious JavaScript payload in an entry title. When an admin, or any control panel user with saveEntries for the same Structure section, drags another entry under the poisoned entry in table view, the payload executes in the victim\u2019s session. The issue is exploitable because the title is escaped into data-title by the server, decoded again by the browser, read with jQuery .data(\u0027title\u0027), and then concatenated into a new HTML string without attribute escaping. To exploit, an attacker must have an existing control panel account (Author role minimum), the victim must perform a drag operation (not just visit the page), and the victim\u2019s session needs to be elevated at trigger time. This issue has been fixed in version 5.9.23."
    },
    {
      "lang": "es",
      "value": "Craft CMS es un sistema de gesti\u00f3n de contenido (CMS). En las versiones 5.0.0-RC1 hasta la 5.9.22, un usuario del panel de control con nivel de autor puede almacenar una carga \u00fatil de JavaScript maliciosa en el t\u00edtulo de una entrada. Cuando un administrador, o cualquier usuario del panel de control con permisos \u2019saveEntries\u2019 para la misma secci\u00f3n de Estructura, arrastra otra entrada debajo de la entrada \u2019envenenada\u2019 en la vista de tabla, la carga \u00fatil se ejecuta en la sesi\u00f3n de la v\u00edctima. El problema es explotable porque el t\u00edtulo es escapado a \u2019data-title\u2019 por el servidor, decodificado de nuevo por el navegador, le\u00eddo con jQuery .data(\u2019title\u2019), y luego concatenado en una nueva cadena HTML sin escape de atributos. Para explotar, un atacante debe tener una cuenta existente en el panel de control (rol de Autor como m\u00ednimo), la v\u00edctima debe realizar una operaci\u00f3n de arrastre (no solo visitar la p\u00e1gina), y la sesi\u00f3n de la v\u00edctima debe estar elevada en el momento del disparo. Este problema ha sido solucionado en la versi\u00f3n 5.9.23."
    }
  ],
  "id": "CVE-2026-55793",
  "lastModified": "2026-10-25T16:10:00.147",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "PASSIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-55793",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-02T15:09:35.733774Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-01T22:16:50.327",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/craftcms/cms/commit/162321e899cc97517fb6f5a02b5528f549d0c6cc"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/craftcms/cms/security/advisories/GHSA-xrqc-p465-2xvg"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://github.com/craftcms/cms/security/advisories/GHSA-xrqc-p465-2xvg"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}