CVE-2023-5725
4.3
MEDIUM
CVSS 3.1
EPSS 0.41%
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.
How to fix CVE-2023-5725
To remediate CVE-2023-5725, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 115.4.0esr-1~deb11u1 or later
- —upgrade to 1:115.4.1-1~deb11u1 or later
Is CVE-2023-5725 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 115.4.0esr-1~deb11u1
- from 0, < 1:115.4.1-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |