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HIGH

CVE-2023-49093

CVSS v3

8.8

HIGH

EPSS Score

2.4 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • org.htmlunit:htmlunitMavenall versions · fixed in 3.9.0

Vendor advisories

  • CVE-2023-49093 Red Hat Product Security6 known affected

    htmlunit: Feature for secure processing disabled in the XSLT processor

    net.sourceforge.htmlunit-htmlunit-jar.src as a component of Migration Toolkit for Applications 6 · net.sourceforge.htmlunit-htmlunit-jar.src as a component of Migration Toolkit for Runtimes · net.sourceforge.htmlunit-htmlunit-jar as a component of Red Hat Fuse 7

Full record on NVD

Description

HtmlUnit is a GUI-less browser for Java programs. HtmlUnit is vulnerable to Remote Code Execution (RCE) via XSTL, when browsing the attacker’s webpage. This vulnerability has been patched in version 3.9.0

Technical details

Published
2023-12-04

Frequently asked questions

What is CVE-2023-49093?

HtmlUnit is a GUI-less browser for Java programs. HtmlUnit is vulnerable to Remote Code Execution (RCE) via XSTL, when browsing the attacker’s webpage. This vulnerability has been patched in version 3.9.0

Is CVE-2023-49093 actively exploited?

Active exploitation of CVE-2023-49093 has not been confirmed. Its EPSS score was 2.4% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-49093?

CVE-2023-49093 has a CVSS v3 base score of 8.8 (HIGH severity).

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