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Vulnerability details: VCID-sddb-br6p-kkh8
Vulnerability ID VCID-sddb-br6p-kkh8
Aliases CVE-2022-34474
Summary Even when an iframe was sandboxed with allow-top-navigation-by-user-activation, if it received a redirect header to an external protocol the browser would process the redirect and prompt the user as appropriate.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.00148 https://api.first.org/data/v1/epss?cve=CVE-2022-34474
cvssv3.1 6.1 https://bugzilla.mozilla.org/show_bug.cgi?id=1677138
ssvc Track https://bugzilla.mozilla.org/show_bug.cgi?id=1677138
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2022-24
cvssv3.1 6.1 https://www.mozilla.org/security/advisories/mfsa2022-24/
ssvc Track https://www.mozilla.org/security/advisories/mfsa2022-24/
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2022-34474
mfsa2022-24 https://www.mozilla.org/en-US/security/advisories/mfsa2022-24
mfsa2022-24 https://www.mozilla.org/security/advisories/mfsa2022-24/
show_bug.cgi?id=1677138 https://bugzilla.mozilla.org/show_bug.cgi?id=1677138
USN-5504-1 https://usn.ubuntu.com/5504-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1677138
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-15T19:31:13Z/ Found at https://bugzilla.mozilla.org/show_bug.cgi?id=1677138
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://www.mozilla.org/security/advisories/mfsa2022-24/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-15T19:31:13Z/ Found at https://www.mozilla.org/security/advisories/mfsa2022-24/
Exploit Prediction Scoring System (EPSS)
Percentile 0.34914
EPSS Score 0.00148
Published At May 29, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-29T08:26:51.011364+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2022/mfsa2022-24.yml 38.6.0