Cross-site scripting (XSS) vulnerability in the URLDecoder function in JRE before 1.8, as…
Priority MEDIUM 41CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
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.
Why it matters now
EPSS 0.11562 96th percentileScored 2026-11-07
Fix Fixed org.apache.struts:struts2-core (Maven): 2.3.28
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | org.apache.struts:struts2-core (Maven) | 2.0.0 to before 2.3.28 | 2.3.28 | Patch available | GHSA-m3x6-9v6h-4g28 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- org.apache.struts:struts2-core (Maven) Vendor— Affected 2.0.0 to before 2.3.28 Fixed in 2.3.28 Patch available GHSA-m3x6-9v6h-4g28
Remediation
- Fix · GHSA-m3x6-9v6h-4g28 org.apache.struts:struts2-core (Maven) Fixed in 2.3.28 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 1 product
- Red Hat JBoss Fuse Service Works 6
Timeline
- 2026-10-02 Threatist record created from CVE-2016-4003
- 2026-10-03 Alias added: GHSA-m3x6-9v6h-4g28
References
Advisory 3
Other 8
- https://github.com/apache/struts/commit/4720f46a63caaf9db97ba27dc51ac5ad21e66bdc
- https://github.com/apache/struts/commit/5421930b49822606792f36653b17d3d95ef106f9
- https://github.com/apache/struts/commit/72471d7075681bea52046645ad7aa34e9c53751e
- https://github.com/apache/struts/commit/76f188406eb9f17a06afcb5f49f0c44d749da0d2
- https://github.com/apache/struts/commit/a89bbe22cd2461748d595a89a254de888a415e6c
- https://github.com/apache/struts
- https://web.archive.org/web/20161119142317/http://www.securityfocus.com/bid/86311
- https://web.archive.org/web/20161221184936/http://www.securitytracker.com/id/1035268
More Apache Struts vulnerabilities
- TI-2020-13278 Expression language injection in Apache Struts KEVCVSS 3.1CRITICAL 9.8
- TI-2017-07171 Improper input validation in Apache Struts KEVCVSS 3.1CRITICAL 9.8
- TI-2017-03639 Improper handling of exceptional conditions in Apache Struts KEVCVSS 3.1CRITICAL 9.8
- TI-2013-02013 Apache Struts 2.0.0 through 2.3.15 allows remote attackers to execute arbitrary OGNL… KEVCVSS 3.1CRITICAL 9.8
- TI-2012-00357 The ExceptionDelegator component in Apache Struts before 2.2.3.1 interprets parameter… KEVCVSS 3.1CRITICAL 9.8
- TI-2018-08433 Improper input validation in Apache Struts KEVCVSS 3.1HIGH 8.1
Sources
- CVE-2016-4003 · CVE Program
- CVE-2016-4003 · NVD
- FIRST EPSS
- GHSA-m3x6-9v6h-4g28 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-4003 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences