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CVE-2026-47762

Estado: AnalizadaMedia (5.4)—

TinyMCE is an open source rich text editor. Prior to 5.11.1, 7.9.3, and 8.5.1, there is a stored XSS vulnerability via forged mce:protected comments. Allows attackers to bypass sanitization and inject scripts that execute when content is restored. Impacts users who utilize the protect option. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1.

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)

Tiny — Tinymce

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-47762",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-47762",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-28T19:14:30.785872Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.7,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.8,
        "exploitabilityScore": 2.3
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "tinymce",
          "product": "tinymce",
          "versions": [
            {
              "status": "affected",
              "version": "< 5.11.1"
            },
            {
              "status": "affected",
              "version": ">= 6.0.0, <= 6.8.6"
            },
            {
              "status": "affected",
              "version": ">= 7.0.0, < 7.9.3"
            },
            {
              "status": "affected",
              "version": ">= 8.0.0, < 8.5.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-05-28T16:16:28.470",
  "references": [
    {
      "url": "https://github.com/tinymce/tinymce/security/advisories/GHSA-v98h-vmpc-fpqv",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://www.tiny.cloud/docs/tinymce/7/7.9.3-release-notes/#overview",
      "tags": [
        "Release Notes"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://www.tiny.cloud/docs/tinymce/8/8.5.1-release-notes/#overview",
      "tags": [
        "Release Notes"
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "TinyMCE is an open source rich text editor. Prior to 5.11.1, 7.9.3, and 8.5.1, there is a stored XSS vulnerability via forged mce:protected comments. Allows attackers to bypass sanitization and inject scripts that execute when content is restored. Impacts users who utilize the protect option. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1."
    }
  ],
  "lastModified": "2026-06-17T10:54:39.947",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "33F45A92-27A3-41F4-91E3-4C3001F11E56",
              "versionEndExcluding": "5.11.1"
            },
            {
              "criteria": "cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7A0B42F4-3EAA-49D5-B9DF-AB74687FB282",
              "versionEndExcluding": "7.9.3",
              "versionStartIncluding": "6.0.0"
            },
            {
              "criteria": "cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4F3C3EF2-FD5B-4CC3-B2A1-F6D496708272",
              "versionEndExcluding": "8.5.1",
              "versionStartIncluding": "8.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-advisories@github.com"
}