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CVE-2024-0747

Mozilla: Bypass of Content Security Policy when directive unsafe-inline was set

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Severity

Moderate

Red Hat Product Security

6.1

CVSS 3.1

Review impact separately from score.

Published · January 23, 2024

Updated · November 21, 2025

Description

The Mozilla Foundation Security Advisory describes this flaw as:

When a parent page loaded a child in an iframe with unsafe-inline, the parent Content Security Policy could have overridden the child Content Security Policy.

Statement

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE-1021 · Improper Restriction of Rendered UI Layers or Frames