Cross-site Scripting (XSS) Affecting resteasy package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.07% (32nd percentile)

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  • Snyk IDSNYK-UBUNTU2004-RESTEASY-1126089
  • published14 Jan 2025
  • disclosed10 Jun 2021

Introduced: 10 Jun 2021

CVE-2021-20293  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:20.04 resteasy.

NVD Description

Note: Versions mentioned in the description apply only to the upstream resteasy package and not the resteasy package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

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.

CVSS Scores

version 3.1