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CVE-2022-22761

UNKNOWN
Published 2022-12-22T00:00:00.000Z
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Expert Analysis

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CVSS Score

V3.1
8.8
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.429
Higher than 42.9% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Mozilla

Firefox

Affected Versions:

unspecified
Mozilla

Thunderbird

Affected Versions:

unspecified
Mozilla

Firefox ESR

Affected Versions:

unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-443j-8jp8-4xch

Advisory Details

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 Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2022-22761
WEB https://bugzilla.mozilla.org/show_bug.cgi?id=1745566
WEB https://www.mozilla.org/security/advisories/mfsa2022-04
WEB https://www.mozilla.org/security/advisories/mfsa2022-05
WEB https://www.mozilla.org/security/advisories/mfsa2022-06

Advisory provided by GitHub Security Advisory Database. Published: December 22, 2022, Modified: April 16, 2025

References

https://www.mozilla.org/security/advisories/mfsa2022-05/
https://www.mozilla.org/security/advisories/mfsa2022-04/
https://www.mozilla.org/security/advisories/mfsa2022-06/
https://bugzilla.mozilla.org/show_bug.cgi?id=1745566
Published: 2022-12-22T00:00:00.000Z
Last Modified: 2025-04-16T14:33:37.376Z
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