CVE-2022-22761
High
Description
Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in the Web Extension's Content Security Policy. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox
PublishedDec 22, 2022
First seenDec 22, 2022
Weakness typeCWE-693CWE-693
How to fix
Update
- mozilla firefox97.0 or later
- mozilla firefox_esr91.6 or later
- mozilla thunderbird91.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 97.0 | 97.0 |
| mozilla firefox_esr | v < 91.6 | 91.6 |
| mozilla thunderbird | v < 91.6 | 91.6 |
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