CVE-2022-34479 : A malicious website that could create a popup could have resized the popup to ov

A malicious website that could create a popup could have resized the popup to overlay the address bar with its own content, resulting in potential user confusion or spoofing attacks. <br>*This bug only affects Thunderbird for Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.

Published 2022-12-22 20:15:33

Updated 2025-04-15 19:16:04

Source Mozilla Corporation

View at NVD, CVE.org

Products affected by CVE-2022-34479

Mozilla » Firefox
Versions before (<) 102.0
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
Mozilla » Thunderbird
Versions before (<) 91.11
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A
Mozilla » Firefox Esr
Versions before (<) 91.11
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Matching versions
When used together with: Linux » Linux Kernel » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2022-34479

EPSS FAQ

0.11%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 31 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-34479

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N	2.8	3.6	134c704f-9b21-4f2e-91b3-4a467353bcc0	2025-04-15
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: High Availability: None
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: High Availability: None

CWE ids for CVE-2022-34479

CWE-451 User Interface (UI) Misrepresentation of Critical Information

The user interface (UI) does not properly represent critical information to the user, allowing the information - or its source - to be obscured or spoofed. This is often a component in phishing attacks.

Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

References for CVE-2022-34479

https://bugzilla.mozilla.org/show_bug.cgi?id=1745595

Access Denied
Issue Tracking;Permissions Required;Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-25/

Security Vulnerabilities fixed in Firefox ESR 91.11 — Mozilla
Vendor Advisory

CVEs referencing this url
https://www.mozilla.org/security/advisories/mfsa2022-24/

Security Vulnerabilities fixed in Firefox 102 — Mozilla
Vendor Advisory

CVEs referencing this url
https://www.mozilla.org/security/advisories/mfsa2022-26/

Security Vulnerabilities fixed in Thunderbird 91.11 and Thunderbird 102 — Mozilla
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2022-34479

Products affected by CVE-2022-34479

Exploit prediction scoring system (EPSS) score for CVE-2022-34479

CVSS scores for CVE-2022-34479

CWE ids for CVE-2022-34479

References for CVE-2022-34479