CVE-2018-12364
8.8
HIGH
CVSS 3.1
EPSS 2.5%
Description
NPAPI plugins, such as Adobe Flash, can send non-simple cross-origin requests, bypassing CORS by making a same-origin POST that does a 307 redirect to the target site. This allows for a malicious site to engage in cross-site request forgery (CSRF) attacks. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.
How to fix CVE-2018-12364
To remediate CVE-2018-12364, upgrade the affected package to a fixed version below.
- —upgrade to 52.9.0esr-1 or later
- —upgrade to 1:52.9.0-1 or later
Is CVE-2018-12364 being exploited?
Low — EPSS is 2.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 52.9.0esr-1
- from 0, < 1:52.9.0-1
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 |