CVE-2020-8264CWE-79

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…

published January 6, 2021

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.3th percentile for exploit probability.

CVSS
—
EPSS
67%
Percentile
99.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.66986 · 99.3th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2021-01-06T21:02Z
EPSS history
Timeline
  • 06 JAN 21:02Z
    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…
    cvelistv5