CVE-2021-20293CWE-79

A reflected Cross-Site Scripting (XSS) flaw was found in RESTEasy in all versions of RESTEasy up to 4.6.0.Final, where it did not properly handle URL encoding…

published June 10, 2021

CVSS
—
EPSS
1%
Percentile
58.0
In the wild
Unconfirmed
What it is

A reflected Cross-Site Scripting (XSS) flaw was found in RESTEasy in all versions of RESTEasy up to 4.6.0.Final, where it did not properly handle URL encoding when calling @javax.ws.rs.PathParam without any @Produces MediaType. This flaw allows an attacker to launch a reflected XSS attack. The highest threat from this vulnerability is to data confidentiality and integrity.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00856 · 58.0th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2021-06-10T11:09Z
EPSS history
Timeline
  • 10 JUN 11:09Z
    A reflected Cross-Site Scripting (XSS) flaw was found in RESTEasy in all versions of RESTEasy up to 4.6.0.Final, where it did not properly handle URL encoding…
    cvelistv5