Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-49093

22
FAUCET Score

CVE-2023-49093 is a Remote Code Execution (RCE) vulnerability affecting HtmlUnit, a GUI-less browser for Java programs, specifically versions prior to 3.9.0. This high-severity flaw (CVSS 8.8) allows an unauthenticated attacker to execute arbitrary code by enticing a user to browse a malicious webpage, requiring user interaction. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.9.0CPE matchmatch criteria
cpe:2.3:a:htmlunit:htmlunit:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.38%
Probability of exploitation in next 30 days
EPSS Percentile
82.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0238 is in the 81st percentile among its peer group of 14,855 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

mavenpatch availablevia ghsa
Product: org.htmlunit:htmlunitFixed in: 3.9.0
github_advisoryvendor investigatingvia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Fuse 7Fixed in: net.sourceforge.htmlunit-htmlunit-jar
redhatend of lifevia redhat_api
Product: Migration Toolkit for Applications 6Fixed in: net.sourceforge.htmlunit-htmlunit-jar
redhatend of lifevia redhat_api
Product: Migration Toolkit for RuntimesFixed in: net.sourceforge.htmlunit-htmlunit-jar

Vendor Advisories (2)

mavenGHSA-37vq-hr2f-g7h7critical

HtmlUnit vulnerable to Remote Code Execution (RCE) via XSTL

Dec 4, 2023
redhatCVE-2023-49093Important

htmlunit: Feature for secure processing disabled in the XSLT processor

Dec 4, 2023

References

github.com / HtmlUnit/htmlunit/security/advisories/GHSA-37vq-hr2f-g7h7
ExploitVendor Advisory
htmlunit.org / changes-report.html
Release Notes