Description
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.
Remediation
References
https://bugzilla.redhat.com/show_bug.cgi?id=1942819
https://security.netapp.com/advisory/ntap-20210727-0005/
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