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6.5 Medium

CVE-2024-0747 When a parent page loaded a child in an iframe with `unsafe-inline`, the parent Content Security Policy could have…

Description

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. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

Affected products and versions

Product Affected versions Fixed in
Firefox 122 earliest → < 122 122
Firefox ESR 115.7 earliest → < 115.7 115.7
Thunderbird 115.7 earliest → < 115.7 115.7

Other CVEs of Firefox

The 2221 CVEs of Firefox →
CVE-2026-120572 Incorrect boundary conditions in the Layout: Block and Inline component 8.8 High CVE-2026-118027 Frame poisoning in the Layout component 9.1 Critical CVE-2026-118025 Other issue in the SVG component 8.8 High CVE-2026-118026 Invalid pointer in the JavaScript: GC component 8.8 High
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