CVE-2020-15653

Mozilla: Bypassing iframe sandbox when allowing popups

Published Aug 10, 2020 CVSS 3.1 · 6.5 Medium EPSS 1.4% KEV · Not listed
Description
An iframe sandbox element with the allow-popups flag could be bypassed when using noopener links. This could have led to security issues for websites relying on sandbox configurations that allowed popups and hosted arbitrary content. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-7640 An iframe sandbox element with the allow-popups flag could be bypassed when using noopener links. This could have led to security issues for websites relying on sandbox configurations that allowed popups and hosted arbitrary content. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Ubuntu USN Ubuntu USN USN-4443-1 Firefox vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Aug 4, 2024, 1:22 PM
Reserved
Jul 10, 2020, 12:00 AM
Status
Modified
Published
Aug 10, 2020, 6:15 PM
Modified
Jun 17, 2026, 2:56 AM
Severity
Moderate
Public date
Jul 28, 2020, 12:00 AM