Medium severity · published Oct 25, 2023
CVE-2023-5725
A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to collect sensitive user data
4.3
CVSS
1%
EPSS
No
On KEV
Description
A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to collect sensitive user data. 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:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% 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
DL
Debian Linux · Debian
10.0; 11.0 · 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-2023-5725
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-5725
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1845739
Mailing List
https://lists.debian.org/debian-lts-announce/2023/10/msg00037.html
Mailing List
https://lists.debian.org/debian-lts-announce/2023/10/msg00042.html
Mailing List
https://www.debian.org/security/2023/dsa-5535
Third Party Advisory
https://www.debian.org/security/2023/dsa-5538
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-45/
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