CVE-2021-20293

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.

• CWE-79

• https://bugzilla.redhat.com/show_bug.cgi?id=1942819Issue Tracking, Vendor Advisory
• https://security.netapp.com/advisory/ntap-20210727-0005/Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1942819Issue Tracking, Vendor Advisory
• https://security.netapp.com/advisory/ntap-20210727-0005/Third Party Advisory

Published

Jun 10, 2021

Last Modified

Jun 17, 2026

Status

Modified

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