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CVE-2020-26407

Estado: ModificadaMedia (5.4)—

Se presenta una vulnerabilidad de tipo XSS en Gitlab CE/EE desde versiones 12.4 anteriores a 13.4.7, versiones 13.5 anteriores a 13.5.5 y versiones 13.6 anteriores a 13.6.2, que permite a un atacante llevar a cabo ataques de tipo cross-site scripting para otros usuarios por medio de la importación de un proyecto malicioso.

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)

Gitlab — Gitlab

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2020-26407",
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          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
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  "published": "2020-12-10T06:15:13.750",
  "references": [
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      "tags": [
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      "tags": [
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-79"
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      ]
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  ],
  "descriptions": [
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      "value": "A XSS vulnerability exists in Gitlab CE/EE from 12.4 before 13.4.7, 13.5 before 13.5.5, and 13.6 before 13.6.2 that allows an attacker to perform cross-site scripting to other users via importing a malicious project"
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de tipo XSS en Gitlab CE/EE desde versiones 12.4 anteriores a 13.4.7, versiones 13.5 anteriores a 13.5.5 y versiones 13.6 anteriores a 13.6.2, que permite a un atacante llevar a cabo ataques de tipo cross-site scripting para otros usuarios por medio de la importación de un proyecto malicioso."
    }
  ],
  "lastModified": "2026-06-17T03:08:04.923",
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