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CVE-2020-5267

Estado: ModificadaMedia (4.8)—

In ActionView before versions 6.0.2.2 and 5.2.4.2, there is a possible XSS vulnerability in ActionView's JavaScript literal escape helpers. Views that use the `j` or `escape_javascript` methods may be susceptible to XSS attacks. The issue is fixed in versions 6.0.2.2 and 5.2.4.2.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Fuente: mapeo oficial MITRE CTID (CVE → ATT&CK).

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

User TrainingUser Account ManagementRestrict Web-Based ContentPrivileged Account ManagementLimit Software InstallationExecution Prevention

Tecnologías afectadas (4)

Debian — Debian LinuxFedoraproject — FedoraOpensuse — LeapRubyonrails — Actionview

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2020-5267",
  "cveTags": [],
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          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
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      "value": "In ActionView before versions 6.0.2.2 and 5.2.4.2, there is a possible XSS vulnerability in ActionView's JavaScript literal escape helpers. Views that use the `j` or `escape_javascript` methods may be susceptible to XSS attacks. The issue is fixed in versions 6.0.2.2 and 5.2.4.2."
    },
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      "lang": "es",
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    }
  ],
  "lastModified": "2026-06-17T03:21:10.023",
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