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CVE-2016-2817 (GCVE-0-2016-2817)

Vulnerability from cvelistv5 – Published: 2016-04-30 17:00 – Updated: 2024-08-05 23:32
VLAI
Summary
The WebExtension sandbox feature in browser/components/extensions/ext-tabs.js in Mozilla Firefox before 46.0 does not properly restrict principal inheritance during chrome.tabs.create and chrome.tabs.update API calls, which allows remote attackers to conduct Universal XSS (UXSS) attacks via a crafted extension that accesses a (1) javascript: or (2) data: URL.
Severity
5.4 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CWE
  • n/a
Assigner
References
URL Tags
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://www.securitytracker.com/id/1035692 vdb-entryx_refsource_SECTRACK
http://lists.opensuse.org/opensuse-updates/2016-0… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-2936-2 vendor-advisoryx_refsource_UBUNTU
https://security.gentoo.org/glsa/201701-15 vendor-advisoryx_refsource_GENTOO
http://www.ubuntu.com/usn/USN-2936-1 vendor-advisoryx_refsource_UBUNTU
https://bugzilla.mozilla.org/show_bug.cgi?id=1227462 x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-2936-3 vendor-advisoryx_refsource_UBUNTU
http://www.mozilla.org/security/announce/2016/mfs… x_refsource_CONFIRM
Date Public
2016-04-26 00:00
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T12:05:40+00:00",
      "cve": "CVE-2016-2817",
      "id": "CVE-2016-2817",
      "initial_release_date": "2016-04-26T00:00:00+00:00",
      "product_status:known_not_affected": "5",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Mozilla: Elevation of privilege with chrome.tabs.update API in web extensions (MFSA 2016-46)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-2817.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-27T01:44:26Z",
      "cve": "CVE-2016-2817",
      "id": "CVE-2016-2817",
      "initial_release_date": "2023-02-15T05:05:22Z",
      "product_status:known_affected": "1",
      "product_status:known_not_affected": "42",
      "product_status:recommended": "254",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-2817",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-2817.json",
      "version": "16"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.