github - ghsa-mjv5-g7c5-w9hq

GHSA-MJV5-G7C5-W9HQ

Vulnerability from github – Published: 2022-05-13 01:46 – Updated: 2025-11-25 18:32

Details

WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR < 45.7 and Firefox < 51.

Severity ?

7.3 (High)


                  
                    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

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{
  "affected": [],
  "aliases": [
    "CVE-2017-5386"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-06-11T21:29:00Z",
    "severity": "HIGH"
  },
  "details": "WebExtension scripts can use the \"data:\" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR \u003c 45.7 and Firefox \u003c 51.",
  "id": "GHSA-mjv5-g7c5-w9hq",
  "modified": "2025-11-25T18:32:06Z",
  "published": "2022-05-13T01:46:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-5386"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1319070"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201702-22"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2017/dsa-3771"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2017-01"
    },
    {
      "type": "WEB",
      "url": "https://www.mozilla.org/security/advisories/mfsa2017-02"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2017-0190.html"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/95769"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1037693"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2017-5386 (GCVE-0-2017-5386)

Vulnerability from cvelistv5 – Published: 2018-06-11 21:00 – Updated: 2024-08-05 14:55

Summary

Severity ?

No CVSS data available.

CWE

WebExtensions can use data: protocol to affect other extensions

Assigner

mozilla

References

URL

Tags

	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_CONFIRM
	https://security.gentoo.org/glsa/201702-22	vendor-advisoryx_refsource_GENTOO
	https://bugzilla.mozilla.org/show_bug.cgi?id=1319070	x_refsource_CONFIRM
	https://www.debian.org/security/2017/dsa-3771	vendor-advisoryx_refsource_DEBIAN
	http://www.securitytracker.com/id/1037693	vdb-entryx_refsource_SECTRACK
	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_CONFIRM
	http://rhn.redhat.com/errata/RHSA-2017-0190.html	vendor-advisoryx_refsource_REDHAT
	http://www.securityfocus.com/bid/95769	vdb-entryx_refsource_BID

Impacted products

Vendor

Product

Version

Mozilla

Firefox ESR

Affected: unspecified , < 45.7 (custom)

Mozilla

Firefox

Affected: unspecified , < 51 (custom)

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-MJV5-G7C5-W9HQ

CVE-2017-5386 (GCVE-0-2017-5386)

Tags

Sightings

Nomenclature