CVE-2018-5168
5.3
MEDIUM
CVSS 3.1
EPSS 1.0%
Description
Sites can bypass security checks on permissions to install lightweight themes by manipulating the "baseURI" property of the theme element. This could allow a malicious site to install a theme without user interaction which could contain offensive or embarrassing images. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.
How to fix CVE-2018-5168
To remediate CVE-2018-5168, upgrade the affected package to a fixed version below.
- —upgrade to 52.8.0esr-1 or later
- —upgrade to 1:52.8.0-1 or later
Is CVE-2018-5168 being exploited?
Low — EPSS is 1.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 52.8.0esr-1
- from 0, < 1:52.8.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |