CVE-2016-4003

Cross-site scripting (XSS) vulnerability in the URLDecoder function in JRE before 1.8, as used in Apache Struts 2.x before 2.3.28, when using a single byte page encoding, allows remote attackers to inject arbitrary web script or HTML via multi-byte characters in a url-encoded parameter.

• CWE-79

• http://struts.apache.org/docs/s2-028.htmlVendor Advisory
• http://www.securityfocus.com/bid/86311Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1035268Third Party Advisory, VDB Entry
• https://issues.apache.org/jira/browse/WW-4507Vendor Advisory
• http://struts.apache.org/docs/s2-028.htmlVendor Advisory
• http://www.securityfocus.com/bid/86311Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1035268Third Party Advisory, VDB Entry
• https://issues.apache.org/jira/browse/WW-4507Vendor Advisory

Published

Apr 12, 2016

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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