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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.116 (95.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.116 · newest: 0.116 · change: 0.000
Affected products
Weakness classification (CWE)
References
- struts.apache.org/docs/s2-028.html (Vendor Advisory)
- www.securityfocus.com/bid/86311 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securitytracker.com/id/1035268 (VDB Entry, Third Party Advisory, vdb-entry)
- issues.apache.org/jira/browse/WW-4507 (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.