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CVE-2026-74999

Estado: AnalizadaMedia (5.4)—

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the "Add to address book" action was subject to stored XSS.

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)

Roundcube — Webmail

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-74999",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-74999",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-08-17T14:32:30.790769Z"
        }
      }
    ],
    "cvssMetricV31": [
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          "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",
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          "confidentialityImpact": "LOW"
        },
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  },
  "affected": [
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          "product": "Webmail",
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              "version": "1.6.0",
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              "versionType": "semver"
            },
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      "source": "cve@mitre.org"
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      "source": "cve@mitre.org"
    },
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      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7.3",
      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3",
      "tags": [
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      ],
      "source": "cve@mitre.org"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "type": "Secondary",
      "source": "cve@mitre.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
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  ],
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    {
      "lang": "en",
      "value": "In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the \"Add to address book\" action was subject to stored XSS."
    }
  ],
  "lastModified": "2026-09-08T19:10:56.230",
  "configurations": [
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}