What is CVE-2016-4003?

CVE-2016-4003 is a medium-severity vulnerability in Apache Struts, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2016-04-12.

How severe is CVE-2016-4003?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Apache Struts

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.116 (95.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Apache Struts
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2016-4003?: CVE-2016-4003 is a medium-severity vulnerability in Apache Struts, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2016-04-12.
How severe is CVE-2016-4003?: Medium severity. CVSS v3 base score is 6.1 out of 10.