Medium severity · published Oct 25, 2023
CVE-2023-5726
A website could have obscured the full screen notification by using the file open dialog
4.3
CVSS
0.7%
EPSS
No
On KEV
Description
A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks.
*Note: This issue only affected macOS operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 119.0 · source: NVD
FE
Firefox Esr · Mozilla
before 115.4 · source: NVD
TH
Thunderbird · Mozilla
before 115.4.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-5726
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-5726
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1846205
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-45/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-46/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-47/
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