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CVE-2018-5119

Status: ModifiedMedium (5.3)—

The reader view will display cross-origin content when CORS headers are set to prohibit the loading of cross-origin content by a site. This could allow access to content that should be restricted in reader view. This vulnerability affects Firefox < 58.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Canonical — Ubuntu LinuxMozilla — Firefox

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2018-5119",
  "cveTags": [],
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 2.9,
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        "obtainAllPrivilege": false,
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  "published": "2018-06-11T21:29:13.670",
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      "description": [
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          "value": "CWE-200"
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      "value": "The reader view will display cross-origin content when CORS headers are set to prohibit the loading of cross-origin content by a site. This could allow access to content that should be restricted in reader view. This vulnerability affects Firefox < 58."
    },
    {
      "lang": "es",
      "value": "La vista del lector mostrará el contenido de orígenes cruzados cuando las cabeceras CORS estén configurados para prohibir la carga de contenido de orígenes cruzados por un sitio. Esto podría permitir el acceso a contenidos que deberían ser restringidos en la vista del lector. Esta vulnerabilidad afecta a las versiones anteriores a la 58 de Firefox."
    }
  ],
  "lastModified": "2026-06-17T01:59:39.453",
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