What’s Vulnerable › Vulnerabilities

CVE-2021-3536

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-20 · updated 2026-06-17
• Weakness: CWE-79

Description

A flaw was found in Wildfly in versions before 23.0.2.Final while creating a new role in domain mode via the admin console, it is possible to add a payload in the name field, leading to XSS. This affects Confidentiality and Integrity.

Affected products

• Red Hat build of Quarkus: all versions
• RedHat Data Grid: 8.0
• RedHat Descision Manager: 7.0
• RedHat Integration Camel K: all versions
• RedHat Integration Camel Quarkus: all versions
• RedHat Integration Service Registry: all versions
• RedHat Jboss A-Mq: 7
• Red Hat JBoss EAP: 7.0
• Wildfly: before 23.0.2 — fixed in 23.0.2

How to fix

Upgrade to a fixed version: Wildfly 23.0.2. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1948001
• https://bugzilla.redhat.com/show_bug.cgi?id=1948001

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