| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 105.0 | 105.0 |
| firefox esr | < 102.3 | 102.3 |
| thunderbird | < 102.3 | 102.3 |
When injecting an HTML base element, some requests would ignore the CSP's base-uri settings and accept the injected element's base instead. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.
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