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CVE-2020-15655 A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks,…
Description
A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox ESR 78.1 | earliest → < 78.1 | 78.1 |
| Firefox 79 | earliest → < 79 | 79 |
| Thunderbird 78.1 | earliest → < 78.1 | 78.1 |
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