github - ghsa-hq9m-2fcc-v974

ghsa-hq9m-2fcc-v974

Vulnerability from github

Published

2022-05-13 01:47

Modified

2022-05-13 01:47

Severity ?

5.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Details

The "instanceof" operator can bypass the Xray wrapper mechanism. When called on web content from the browser itself or an extension the web content can provide its own result for that operator, possibly tricking the browser or extension into mishandling the element. This vulnerability affects Firefox < 56.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2017-7820"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-06-11T21:29:00Z",
    "severity": "MODERATE"
  },
  "details": "The \"instanceof\" operator can bypass the Xray wrapper mechanism. When called on web content from the browser itself or an extension the web content can provide its own result for that operator, possibly tricking the browser or extension into mishandling the element. This vulnerability affects Firefox \u003c 56.",
  "id": "GHSA-hq9m-2fcc-v974",
  "modified": "2022-05-13T01:47:11Z",
  "published": "2022-05-13T01:47:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-7820"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1378207"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2017-21"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/101057"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1039465"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2017-7820 (GCVE-0-2017-7820)

Vulnerability from cvelistv5

Published

2018-06-11 21:00

Modified

2024-08-05 16:12

Severity ?

CWE

Xray wrapper bypass with new tab and web console

Summary

The "instanceof" operator can bypass the Xray wrapper mechanism. When called on web content from the browser itself or an extension the web content can provide its own result for that operator, possibly tricking the browser or extension into mishandling the element. This vulnerability affects Firefox < 56.

References

►

URL

Tags

	http://www.securitytracker.com/id/1039465	vdb-entry, x_refsource_SECTRACK
	https://bugzilla.mozilla.org/show_bug.cgi?id=1378207	x_refsource_CONFIRM
	https://www.mozilla.org/security/advisories/mfsa2017-21/	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/101057	vdb-entry, x_refsource_BID

Impacted products

	Vendor	Product	Version
	Mozilla	Firefox	Version: unspecified < 56

Show details on NVD website

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        "references": [
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          },
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            ],
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          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2017-21/"
          },
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            "tags": [
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            ],
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        }
      ],
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      "x_legacyV4Record": {
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        "affects": {
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            "vendor_data": [
              {
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            },
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  },
  "cveMetadata": {
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}

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