Home/CVE/A lack of in app notification for entering fullscreen mode could have lead to a malicious website spoofing browser chrom
CVE

CVE-2023-25743

A lack of in app notification for entering fullscreen mode could have lead to a malicious website spoofing browser chrom

A lack of in app notification for entering fullscreen mode could have lead to a malicious website spoofing browser chrome.<br>This bug only affects Firefox Focus. Other versions of Firefox are unaffected.. This vulnerability affects Firefox < 110 and Firefox ESR < 102.8.

HIGH · CVSS 7.5 EPSS 0.00084
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-290Authentication Bypass by Spoofing
▤

Affected Products & Versions

1
mozilla firefox focusall versions
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Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security@mozilla.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Jun 2023 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

23
suse-csafopenSUSE-SU-2024:14572-1
suse-csafopenSUSE-SU-2024:12702-1
suse-csafopenSUSE-SU-2024:12753-1
suse-csafSUSE-SU-2023:0466-1
suse-csafSUSE-SU-2023:0469-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.mozilla.org/show_bug.cgi?id=1800203Issue TrackingPermissions Required
https://www.mozilla.org/security/advisories/mfsa2023-05/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-06/Vendor Advisory
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