CVE-2016-4003

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 3.94% Top 15%
Vendor Advisory apache.org Vendor Advisory apache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://struts.apache.org/docs/s2-028.html vendor advisory
http://www.securityfocus.com/bid/86311 vdb entry third party advisory
http://www.securitytracker.com/id/1035268 vdb entry third party advisory
https://issues.apache.org/jira/browse/WW-4507 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-4003?
CVE-2016-4003 has been scored as a medium severity vulnerability.
How to fix CVE-2016-4003?
To fix CVE-2016-4003, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-4003 being actively exploited in the wild?
It is possible that CVE-2016-4003 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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