Read the docs
TI-2023-11344 Aliases CVE-2023-26119GHSA-3xrr-7m6p-p7xh

Code injection in net.sourceforge.htmlunit:htmlunit

Priority MEDIUM 54CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-94.

Summary

Versions of the package net.sourceforge.htmlunit:htmlunit from 0 and before 3.0.0 are vulnerable to Remote Code Execution (RCE) via XSTL, when browsing the attacker’s webpage.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02513 84th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed net.sourceforge.htmlunit:htmlunit: 3.0.0net.sourceforge.htmlunit:htmlunit (Maven): 3.0.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—net.sourceforge.htmlunit:htmlunitbefore 3.0.03.0.0Patch availableCNA
—net.sourceforge.htmlunit:htmlunit (Maven)before 3.0.03.0.0Patch availableGHSA-3xrr-7m6p-p7xh
  • net.sourceforge.htmlunit:htmlunit Vendor— Affected before 3.0.0 Fixed in 3.0.0 Patch available CNA
  • net.sourceforge.htmlunit:htmlunit (Maven) Vendor— Affected before 3.0.0 Fixed in 3.0.0 Patch available GHSA-3xrr-7m6p-p7xh

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:htmlunit:htmlunit:*:*:*:*:*:*:*:*before 3.0.0VulnerableHtmlUnit
  • cpe:2.3:a:htmlunit:htmlunit:*:*:*:*:*:*:*:* Versions before 3.0.0 Vulnerable ·HtmlUnit

Remediation

  • Fix · CNA net.sourceforge.htmlunit:htmlunit Fixed in 3.0.0
  • Fix · GHSA-3xrr-7m6p-p7xh net.sourceforge.htmlunit:htmlunit (Maven) Fixed in 3.0.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-26119
  2. 2026-10-03 Alias added: GHSA-3xrr-7m6p-p7xh
  3. 2026-10-08 CISA SSVC decision points changed

References

  • TI-2023-26758 HtmlUnit vulnerable to Remote Code Execution (RCE) via XSTL CVSS 3.1CRITICAL 9.8
  • TI-2020-04499 Code injection in HtmlUnit CVSS 3.1HIGH 8.1
  • TI-2022-11120 Certain Neko-related HTML parsers allow a denial of service via crafted Processing… CVSS 3.1HIGH 7.5
  • TI-2023-02621 Denial of service in HtmlUnit CVSS 3.1HIGH 7.5
  • TI-2022-12000 HtmlUnit NekoHtml Parser before 2.61.0 suffers from a denial of service vulnerability. CVSS 3.1HIGH 7.5

Sources