High

REST Plugin in Apache Struts uses an XStreamHandler with an instance of XStream for deserialization without any type filtering

  • Disclosed: 16.10.2018
  • Updated: 11.10.2026 12:22

CISA confirms exploitation of this vulnerability in real attacks. Prioritise checking whether your application is affected. CISA KEV · CC0 1.0

The REST Plugin in Apache Struts 2.1.1 through 2.3.x before 2.3.34 and 2.5.x before 2.5.13 uses an XStreamHandler with an instance of XStream for deserialization without any type filtering, which can lead to Remote Code Execution when deserializing XML payloads.

Affected software

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PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) org.apache.struts:struts2-rest-plugin >= 2.1.1, < 2.3.34, >= 2.5.0, < 2.5.13 2.3.34, 2.5.13

References

CVSS score 8.1/10
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H
Weakness (CWE)
CWE-502
Platform
Java / Kotlin (Maven)
Package
org.apache.struts:struts2-rest-plugin
Disclosed
16.10.2018
Updated
11.10.2026 12:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-gg9m-fj3v-r58c - CC BY 4.0

Vulnerability history: org.apache.struts:struts2-rest-plugin

All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
6
First → latest
10.2018 05.2022
Without a fix
0
Exploited in attacks
1

Severity breakdown

  • Critical 1
  • High 4
  • Medium 1

Disclosures per year

  1. 2018: 4
  2. 2019: 0
  3. 2020: 0
  4. 2021: 0
  5. 2022: 2
  6. 2023: 0
  7. 2024: 0
  8. 2025: 0
  9. 2026: 0
  1. High CVE-2013-4316 >= 2.0.0, < 2.3.15.2 2.3.15.2
  2. Critical · 9.8 CVE-2016-4438 >= 2.3.19, < 2.3.29 2.3.29
  3. REST Plugin in Apache Struts uses an XStreamHandler with an instance of XStream for deserialization without any type filtering this entry
    High · 8.1 Exploited in attacks CVE-2017-9805 >= 2.1.1, < 2.3.34, >= 2.5.0, < 2.5.13 2.3.34, 2.5.13
  4. High · 7.5 CVE-2017-9793 < 2.3.34, >= 2.5.0, < 2.5.13 2.3.34, 2.5.13
  5. Medium · 6.2 CVE-2017-15707 >= 2.5.0, < 2.5.16 2.5.16
  6. High · 7.5 CVE-2018-1327 >= 2.1.1, < 2.5.16 2.5.16

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