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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-25730
HistoryJun 02, 2023 - 5:15 p.m.

CVE-2023-25730

2023-06-0217:15:11
Debian Security Bug Tracker
security-tracker.debian.org
18
background script
requestfullscreen
main thread
fullscreen mode
user confusion
spoofing attacks
vulnerability
firefox
thunderbird
firefox esr
unix

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

37.6%

A background script invoking <code>requestFullscreen</code> and then blocking the main thread could force the browser into fullscreen mode indefinitely, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

37.6%