High

Code execution vulnerability in HtmlUnit

  • Disclosed: 21.05.2020
  • Updated: 11.10.2026 12:21

HtmlUnit prior to 2.37.0 contains code execution vulnerabilities. HtmlUnit initializes Rhino engine improperly, hence a malicious JavScript code can execute arbitrary Java code on the application. Moreover, when embedded in Android application, Android-specific initialization of Rhino engine is done in an improper way, hence a malicious JavaScript code can execute arbitrary Java code on the application.

Affected software

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PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) net.sourceforge.htmlunit:htmlunit < 2.37.0 2.37.0

References

CVSS score 8.1/10
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-665, CWE-94
Platform
Java / Kotlin (Maven)
Package
net.sourceforge.htmlunit:htmlunit
Disclosed
21.05.2020
Updated
11.10.2026 12:21

Sources and licenses

OSV / GitHub Advisory Database - GHSA-5mh9-r3rr-9597 - CC BY 4.0

Vulnerability history: net.sourceforge.htmlunit:htmlunit

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
2
First → latest
05.2020 07.2023
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • High 1

Disclosures per year

  1. 2020: 1
  2. 2021: 0
  3. 2022: 0
  4. 2023: 1
  5. 2024: 0
  6. 2025: 0
  7. 2026: 0
  1. Critical · 9.8 CVE-2023-26119 < 3.0.0 3.0.0
  2. Code execution vulnerability in HtmlUnit this entry
    High · 8.1 CVE-2020-5529 < 2.37.0 2.37.0

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