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.
Published: 2021-06-10
Score: 6.1 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-1269 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.
Github GHSA Github GHSA GHSA-5h26-c766-g93v Cross-Site Scripting
History

Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00171}

epss

{'score': 0.002}


Subscriptions

Netapp Oncommand Insight
Redhat Integration Resteasy
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T17:37:24.125Z

Reserved: 2020-12-17T00:00:00.000Z

Link: CVE-2021-20293

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-06-10T12:15:07.947

Modified: 2024-11-21T05:46:17.873

Link: CVE-2021-20293

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-03-25T00:00:00Z

Links: CVE-2021-20293 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses