github - ghsa-g4xj-2594-cc4j

ghsa-g4xj-2594-cc4j

Vulnerability from github

Published

2022-05-24 17:35

Modified

2022-05-24 17:35

Details

When listening for page changes with a Mutation Observer, a malicious web page could confuse Firefox Screenshots into interacting with elements other than those that it injected into the page. This would lead to internal errors and unexpected behavior in the Screenshots code. This vulnerability affects Firefox < 83.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2020-26967"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-12-09T01:15:00Z",
    "severity": "MODERATE"
  },
  "details": "When listening for page changes with a Mutation Observer, a malicious web page could confuse Firefox Screenshots into interacting with elements other than those that it injected into the page. This would lead to internal errors and unexpected behavior in the Screenshots code. This vulnerability affects Firefox \u003c 83.",
  "id": "GHSA-g4xj-2594-cc4j",
  "modified": "2022-05-24T17:35:38Z",
  "published": "2022-05-24T17:35:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-26967"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1665820"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-50"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2020-26967 (GCVE-0-2020-26967)

Vulnerability from cvelistv5

Published

2020-12-09 00:25

Modified

2024-08-04 16:03

Severity ?

CWE

Mutation Observers could break or confuse Firefox Screenshots feature

Summary

When listening for page changes with a Mutation Observer, a malicious web page could confuse Firefox Screenshots into interacting with elements other than those that it injected into the page. This would lead to internal errors and unexpected behavior in the Screenshots code. This vulnerability affects Firefox < 83.

References

►

URL

Tags

	https://bugzilla.mozilla.org/show_bug.cgi?id=1665820	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-50/	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	Mozilla	Firefox	Version: < 83

Show details on NVD website

To clipboard

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