CVE-2023-26119 HtmlUnit Code Injection vulnerability
Attacker can execute arbitrary code via XSTL when browsing a malicious webpage using the HTMLUnit library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-26119?
CVE-2023-26119 is a critical code injection vulnerability in net.sourceforge.htmlunit:htmlunit, published on 3 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-94
Which versions are affected by CVE-2023-26119?
2 open source packages ship an affected version, including net.sourceforge.htmlunit:htmlunit. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
net.sourceforge.htmlunit:htmlunit Maven | All versions | 3.0.0 |
net.sourceforge.htmlunit:htmlunit Maven | All versions | 3.0.0 |
Products include Htmlunit Htmlunit.
How do I fix CVE-2023-26119?
Upgrade net.sourceforge.htmlunit:htmlunit to 3.0.0 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2023-26119 being exploited?
There is no known exploitation of CVE-2023-26119 in the wild and no public exploit code.
Other vulnerabilities in net.sourceforge.htmlunit:htmlunit
Sources
Also known as CLSA-2025-1766534901, GHSA-3xrr-7m6p-p7xh, ROOT-APP-MAVEN-CVE-2023-26119.