CVE-2019-11712
8.8
HIGH
CVSS 3.1
EPSS 0.29%
Description
POST requests made by NPAPI plugins, such as Flash, that receive a status 308 redirect response can bypass CORS requirements. This can allow an attacker to perform Cross-Site Request Forgery (CSRF) attacks. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
How to fix CVE-2019-11712
To remediate CVE-2019-11712, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 60.8.0esr-1 or later
- —upgrade to 1:60.8.0-1 or later
Is CVE-2019-11712 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 60.8.0esr-1
- from 0, < 1:60.8.0-1
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 |