Description
Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to open privileged about: or file: locations. This vulnerability affects Firefox < 64.
Published: 2019-02-28
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

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Advisories
Source ID Title
EUVD EUVD EUVD-2018-10222 Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to open privileged about: or file: locations. This vulnerability affects Firefox < 64.
Ubuntu USN Ubuntu USN USN-3844-1 Firefox vulnerabilities
History

No history.

Subscriptions

Canonical Ubuntu Linux
Mozilla Firefox
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-05T11:08:21.995Z

Reserved: 2018-10-19T00:00:00.000Z

Link: CVE-2018-18497

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-02-28T18:29:01.790

Modified: 2024-11-21T03:56:03.020

Link: CVE-2018-18497

cve-icon Redhat

Severity : Moderate

Publid Date: 2018-12-11T00:00:00Z

Links: CVE-2018-18497 - Bugzilla

cve-icon OpenCVE Enrichment

No data.