CVE-2016-4003

6.1 MEDIUM
Published: April 12, 2016 Modified: May 06, 2026
View on NVD

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://struts.apache.org/docs/s2-028.html
Source: cve@mitre.org
Vendor Advisory
http://www.securityfocus.com/bid/86311
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1035268
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://issues.apache.org/jira/browse/WW-4507
Source: cve@mitre.org
Vendor Advisory
http://struts.apache.org/docs/s2-028.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.securityfocus.com/bid/86311
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1035268
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://issues.apache.org/jira/browse/WW-4507
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.1 / 10.0
EPSS (Exploit Probability)
2.6%
86th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-79

Affected Vendors

apache

Related CVEs

CVE-2026-8086 5.3
CVE-2026-8084 3.3
CVE-2026-8083 7.3
CVE-2026-44742 7.2
CVE-2026-44244 7.8