github - ghsa-w7p8-wf2r-rw5h

ghsa-w7p8-wf2r-rw5h

Vulnerability from github

Published

2022-05-24 17:35

Modified

2022-05-24 17:35

Details

A parsing and event loading mismatch in Firefox's SVG code could have allowed load events to fire, even after sanitization. An attacker already capable of exploiting an XSS vulnerability in privileged internal pages could have used this attack to bypass our built-in sanitizer. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-26951"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-12-09T01:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A parsing and event loading mismatch in Firefox\u0027s SVG code could have allowed load events to fire, even after sanitization. An attacker already capable of exploiting an XSS vulnerability in privileged internal pages could have used this attack to bypass our built-in sanitizer. This vulnerability affects Firefox \u003c 83, Firefox ESR \u003c 78.5, and Thunderbird \u003c 78.5.",
  "id": "GHSA-w7p8-wf2r-rw5h",
  "modified": "2022-05-24T17:35:36Z",
  "published": "2022-05-24T17:35:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-26951"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1667113"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-50"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-51"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2020-52"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

cve-2020-26951

Vulnerability from cvelistv5

Published

2020-12-09 00:19

Modified

2024-08-04 16:03

Severity ?

Summary

References

▼	URL	Tags
	https://bugzilla.mozilla.org/show_bug.cgi?id=1667113	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-50/	x_refsource_CONFIRM
	https://www.mozilla.org/security/advisories/mfsa2020-52/	x_refsource_CONFIRM
	https://www.mozilla.org/security/advisories/mfsa2020-51/	x_refsource_CONFIRM

Impacted products

Vendor

Product

Version

▼

Mozilla

Firefox

Version: < 83

	Mozilla	Firefox ESR	Version: < 78.5
	Mozilla	Thunderbird	Version: < 78.5

Show details on NVD website

JSON

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          },
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            "url": "https://www.mozilla.org/security/advisories/mfsa2020-51/"
          }
        ],
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    "dateReserved": "2020-10-12T00:00:00",
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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