Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 97.0 |
| Mozilla | Firefox Esr | < 91.6 |
| Mozilla | Thunderbird | < 91.6 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1745566Issue TrackingVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-04/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-05/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-06/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1745566Issue TrackingVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-04/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-05/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-06/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1745566Issue TrackingVendor Advisory
FAQ
What is CVE-2022-22761?
CVE-2022-22761 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 v...
How severe is CVE-2022-22761?
CVE-2022-22761 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-22761?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.