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...
6.1CVSSMEDIUM
Description
Cross-site Scripting in Apache Struts
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:CScopeChanged
Impact
C:LConfidentialityLow
I:LIntegrityLow
A:NAvailabilityNone
Weaknesses
Affected Products
and 2 more affected products View all →
Attack Graph
Products CVE Techniques Tactics
Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.
Exploitability
Official Patch Available
MITRE ATT&CK
2 techniques Execution
Initial Access
References
https://nvd.nist.gov/vuln/detail/CVE-2016-4003
nvd.nist.gov
https://github.com/apache/struts/commit/4720f46a63caaf9db97ba27dc51ac5ad21e66bdc
github.com
https://github.com/apache/struts/commit/5421930b49822606792f36653b17d3d95ef106f9
github.com
and 14 more references View all →
Timeline
Published
Apr 12, 2016
Last Updated
May 6, 2026
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2016-4003 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows