What is CVE-2023-26119?

CVE-2023-26119 is a critical-severity vulnerability in Htmlunit, classified under Code Injection. CVSS score: 9.8/10. Published 2023-04-03.

How severe is CVE-2023-26119?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-26119 known to be exploited?

6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Htmlunit

CVE-2023-26119

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.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.025 (83.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Htmlunit
N/a Net.sourceforge.htmlunit:htmlunit — versions 0

Weakness classification (CWE)

CWE-94 — Code Injection

Public proof-of-concept exploits

References

report@snyk.io (Third Party Advisory)
report@snyk.io (Patch)
report@snyk.io (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-26119?: CVE-2023-26119 is a critical-severity vulnerability in Htmlunit, classified under Code Injection. CVSS score: 9.8/10. Published 2023-04-03.
How severe is CVE-2023-26119?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-26119 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.