Vulnerability Details : CVE-2022-22761
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.
Products affected by CVE-2022-22761
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-22761
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 43 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-22761
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-04-16 |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2022-22761
-
The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
References for CVE-2022-22761
-
https://www.mozilla.org/security/advisories/mfsa2022-04/
Security Vulnerabilities fixed in Firefox 97 — MozillaVendor Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1745566
1745566 - (CVE-2022-22761) "frame-ancestors" CSP directive not enforced for framed extension pagesIssue Tracking;Vendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2022-05/
Security Vulnerabilities fixed in Firefox ESR 91.6 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2022-06/
Security Vulnerabilities fixed in Thunderbird 91.6 — MozillaVendor Advisory
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