CVE-2018-12398

firefox: Content Security Policy bypass through stylesheet injection in resource URIs

Published Feb 28, 2019 CVSS 3.0 · 6.5 Medium EPSS 1.6% KEV · Not listed
Description
By using the reflected URL in some special resource URIs, such as chrome:, it is possible to inject stylesheets and bypass Content Security Policy (CSP). This vulnerability affects Firefox < 63.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2018-4372 By using the reflected URL in some special resource URIs, such as chrome:, it is possible to inject stylesheets and bypass Content Security Policy (CSP). This vulnerability affects Firefox < 63.
Ubuntu USN Ubuntu USN USN-3801-1 Firefox vulnerabilities
History

No history.

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Aug 5, 2024, 8:38 AM
Reserved
Jun 14, 2018, 12:00 AM
Status
Modified
Published
Feb 28, 2019, 6:29 PM
Modified
Jun 17, 2026, 1:37 AM
Severity
Moderate
Public date
Oct 23, 2018, 12:00 AM