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The WebExtension sandbox feature in browser/components...

Moderate severity Unreviewed Published May 17, 2022 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

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.

References

Published by the National Vulnerability Database Apr 30, 2016
Published to the GitHub Advisory Database May 17, 2022
Last updated Jan 27, 2023

Severity

Moderate
5.4
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Weaknesses

No CWEs

CVE ID

CVE-2016-2817

GHSA ID

GHSA-px89-65ch-24x4

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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