CVE-2018-5137

A legacy extension's non-contentaccessible, defined resources can be loaded by an arbitrary web page through script. This script does this by using a maliciously crafted path string to reference the resources. Note: this vulnerability does not affect WebExtensions. This vulnerability affects Firefox < 59.

• CWE-200

• http://www.securityfocus.com/bid/103386Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1040514Third Party Advisory, VDB Entry
• https://bugzilla.mozilla.org/show_bug.cgi?id=1432870Permissions Required
• https://usn.ubuntu.com/3596-1/Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2018-06/Vendor Advisory
• http://www.securityfocus.com/bid/103386Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1040514Third Party Advisory, VDB Entry
• https://bugzilla.mozilla.org/show_bug.cgi?id=1432870Permissions Required
• https://usn.ubuntu.com/3596-1/Third Party Advisory
• https://www.mozilla.org/security/advisories/mfsa2018-06/Vendor Advisory

Published

Jun 11, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2018-5131Under certain circumstances the "fetch()" API can return tra…
• CVE-2018-5132The Find API for WebExtensions can search some privileged pa…
• CVE-2018-5133If the "app.support.baseURL" preference is changed by a mali…
• CVE-2018-5134WebExtensions may use "view-source:" URLs to view local "fil…
• CVE-2018-5135WebExtensions can bypass normal restrictions in some circums…
• CVE-2018-5136A shared worker created from a "data:" URL in one tab can be…
• CVE-2018-5138A spoofing vulnerability can occur when a malicious site wit…
• CVE-2018-5140Image for moz-icons can be accessed through the "moz-icon:" …
• CVE-2018-5141A vulnerability in the notifications Push API where notifica…
• CVE-2018-5142If Media Capture and Streams API permission is requested fro…
• CVE-2018-5143URLs using "javascript:" have the protocol removed when past…
• CVE-2018-5144An integer overflow can occur during conversion of text to s…