CVE-2018-18494
6.5
MEDIUM
CVSS 3.1
EPSS 0.66%
Description
A same-origin policy violation allowing the theft of cross-origin URL entries when using the Javascript location property to cause a redirection to another site using performance.getEntries(). This is a same-origin policy violation and could allow for data theft. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.
How to fix CVE-2018-18494
To remediate CVE-2018-18494, upgrade the affected package to a fixed version below.
- —upgrade to 60.4.0esr-1 or later
- —upgrade to 1:60.4.0-1 or later
Is CVE-2018-18494 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 60.4.0esr-1
- from 0, < 1:60.4.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |