// For flags

CVE-2022-22761

Mozilla: frame-ancestors Content Security Policy directive was not enforced for framed extension pages

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Las páginas de extensión accesibles desde la web (páginas con un esquema moz-extension://) no aplicaban correctamente la directiva frame-ancestors cuando se usaba en la Política de seguridad de contenido de la extensión web. Esta vulnerabilidad afecta a Firefox &lt; 97, Thunderbird &lt; 91.6 y Firefox ESR &lt; 91.6.

The Mozilla Foundation Security Advisory describes this flaw as:

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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-01-07 CVE Reserved
  • 2022-02-14 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-12 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-829: Inclusion of Functionality from Untrusted Control Sphere
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mozilla
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Firefox
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< 97.0
Search vendor "Mozilla" for product "Firefox" and version " < 97.0"
-
Affected
Mozilla
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Firefox Esr
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< 91.6
Search vendor "Mozilla" for product "Firefox Esr" and version " < 91.6"
-
Affected
Mozilla
Search vendor "Mozilla"
Thunderbird
Search vendor "Mozilla" for product "Thunderbird"
< 91.6
Search vendor "Mozilla" for product "Thunderbird" and version " < 91.6"
-
Affected