CVE-2020-8264
Cross-site scripting in actionpack
6.1
MEDIUM
CVSS 3.1
EPSS 2.1%
Description
In actionpack gem >= 6.0.0, a possible XSS vulnerability exists when an application is running in development mode allowing an attacker to send or embed (in another page) a specially crafted URL which can allow the attacker to execute JavaScript in the context of the local application. This vulnerability is in the Actionable Exceptions middleware.
How to fix CVE-2020-8264
To remediate CVE-2020-8264, upgrade the affected package to a fixed version below.
- —upgrade to 2:6.0.3.4+dfsg-1 or later
- —upgrade to 6.0.3.4 or later
Is CVE-2020-8264 being exploited?
Low — EPSS is 2.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2:6.0.3.4+dfsg-1
- >= 6.0.0, < 6.0.3.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |