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CVE-2021-4140
Published: Dec 22, 2022
Modified: Apr 16, 2025
PUBLISHED
Description
It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
| Vendor | Product | Versions |
|---|---|---|
Mozilla | Firefox ESR | affected unspecified - < 91.5 |
Mozilla | Firefox | affected unspecified - < 96 |
Mozilla | Thunderbird | affected unspecified - < 91.5 |
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