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CVE-2022-45404

MEDIUM
6.5
CVSS Score
Published: December 22, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:10 AM UTC
3 products affected across 1 vendorFirefoxThunderbirdFirefox ESR

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.7%
SSVC
PoC

Description

Through a series of popup and <code>window.print()</code> calls, an attacker can cause a window to go fullscreen without the user seeing the notification prompt, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Firefox· Mozilla
95%
v < 107
Affected range stops below 107, so it looks safe — our inference, not a vendor statement
Affected range stops below 107.0, so it looks safe — our inference, not a vendor statement
Firefox ESR· Mozilla
95%
v < 102.5
Affected range stops below 102.5, so it looks safe — our inference, not a vendor statement
Thunderbird· Mozilla
95%
v < 102.5
Affected range stops below 102.5, so it looks safe — our inference, not a vendor statement

References (4)

Issue TrackingPermissions RequiredVendor Advisory
Source: [email protected]
https://bugzilla.mozilla.org/show_bug.cgi?id=1790815
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2022-47/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2022-48/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2022-49/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-OtherCWE-451

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