High severity · published Jun 2, 2023
CVE-2023-25743
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
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FF
Firefox Focus · Mozilla
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-25743
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-25743
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1800203
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-05/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-06/
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