CVE-2021-43543 (GCVE-0-2021-43543)

Vulnerability from cvelistv5 – Published: 2021-12-08 21:19 – Updated: 2024-08-04 04:03
VLAI?
Summary
Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Severity ?
No CVSS data available.
CWE
  • Bypass of CSP sandbox directive when embedding
Assigner
References
Impacted products
Vendor Product Version
Mozilla Thunderbird Affected: unspecified , < 91.4.0 (custom)
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    Mozilla Firefox ESR Affected: unspecified , < 91.4.0 (custom)
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    Mozilla Firefox Affected: unspecified , < 95 (custom)
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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