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CVE-2018-12358

Status: ModifiedMedium (4.3)—

Service workers can use redirection to avoid the tainting of cross-origin resources in some instances, allowing a malicious site to read responses which are supposed to be opaque. This vulnerability affects Firefox < 61.

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-2018-12358",
  "cveTags": [],
  "metrics": {
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 2.9,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
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          "userInteraction": "REQUIRED",
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  "published": "2018-10-18T13:29:00.413",
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  "weaknesses": [
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          "value": "CWE-200"
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    },
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      "lang": "es",
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    }
  ],
  "lastModified": "2026-06-17T01:37:36.310",
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