Description
Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox < 76.
Published: 2020-05-26
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-4703 Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox < 76.
Ubuntu USN Ubuntu USN USN-4353-1 Firefox vulnerabilities
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-04T11:56:51.888Z

Reserved: 2020-04-28T00:00:00.000Z

Link: CVE-2020-12391

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-05-26T18:15:11.293

Modified: 2024-11-21T04:59:37.667

Link: CVE-2020-12391

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-05-05T00:00:00Z

Links: CVE-2020-12391 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses