CVE-2018-5135

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
WebExtensions can bypass normal restrictions in some circumstances and use "browser.tabs.executeScript" to inject scripts into contexts where this should not be allowed, such as pages from other WebExtensions or unprivileged "about:" pages. This vulnerability affects Firefox < 59.
Overview
  • CVE ID
  • CVE-2018-5135
  • Assigner
  • security@mozilla.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-06-11T21:29:14
  • Last Modified Date
  • 2019-10-03T00:03:26
Weakness Enumerations
CWE URL
CWE-862 http://cwe.mitre.org/data/definitions/862.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* 1 OR 59.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.mozilla.org/security/advisories/mfsa2018-06/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1431371 Permissions Required
https://usn.ubuntu.com/3596-1/ Third Party Advisory
http://www.securitytracker.com/id/1040514 Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/103386 Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-5135
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5135
History
Created Old Value New Value Data Type Notes
2022-05-10 07:43:36 Added to TrackCVE
2022-12-03 07:53:45 2018-06-11T21:29Z 2018-06-11T21:29:14 CVE Published Date updated
2022-12-03 07:53:45 2019-10-03T00:03:26 CVE Modified Date updated
2022-12-03 07:53:45 Analyzed Vulnerability Status updated