CVE-2017-7798
8.8
HIGH
CVSS 3.1
EPSS 3.6%
Description
The Developer Tools feature suffers from a XUL injection vulnerability due to improper sanitization of the web page source code. In the worst case, this could allow arbitrary code execution when opening a malicious page with the style editor tool. This vulnerability affects Firefox ESR < 52.3 and Firefox < 55.
How to fix CVE-2017-7798
To remediate CVE-2017-7798, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 52.3.0esr-1 or later
Is CVE-2017-7798 being exploited?
Low — EPSS is 3.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 52.3.0esr-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |