Medium severity · published Jul 5, 2023
CVE-2023-37207
A website could have obscured the fullscreen notification by using a URL with a scheme handled by an external program, such as a mailto URL
6.5
CVSS
0.7%
EPSS
No
On KEV
Description
A website could have obscured the fullscreen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 115.0 · source: NVD
DL
Debian Linux · Debian
10.0; 11.0; 12.0 · source: NVD
FE
Firefox Esr · Mozilla
before 102.13 · source: NVD
TH
Thunderbird · Mozilla
before 102.13 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-37207
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-37207
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1816287
Mailing List
https://lists.debian.org/debian-lts-announce/2023/07/msg00006.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/07/msg00015.html
Third Party Advisory
https://www.debian.org/security/2023/dsa-5450
Third Party Advisory
https://www.debian.org/security/2023/dsa-5451
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-22/
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