Cross-site scripting in Wildfly - CVE-2021-3536
Published: July 15, 2021
Vulnerability identifier: #VU54909
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2021-3536
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data when processing data passed via the admin console, it is possible to add a payload in the name field, leading to XSS. This affects Confidentiality and Integrity. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Affected software
Wildfly
JBoss Enterprise Application Platform
Fuse
JBoss Enterprise Application Platform
Fuse
How to mitigate CVE-2021-3536
Install update from vendor's website.
Wildfly - update to 23.0.2
JBoss Enterprise Application Platform - update to 7.3.8
Fuse - update to 7.10.0
JBoss Enterprise Application Platform - update to 7.3.8
Fuse - update to 7.10.0