CVE-2016-5265
5.5
MEDIUM
CVSS 3.1
EPSS 0.26%
Description
Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allow user-assisted remote attackers to bypass the Same Origin Policy, and conduct Universal XSS (UXSS) attacks or read arbitrary files, by arranging for the presence of a crafted HTML document and a crafted shortcut file in the same local directory.
How to fix CVE-2016-5265
To remediate CVE-2016-5265, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 45.3.0esr-1 or later
Is CVE-2016-5265 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 45.3.0esr-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N |