#VU120001 Code injection in Happy DOM - CVE-2025-61927

 

#VU120001 Code injection in Happy DOM - CVE-2025-61927

Published: December 16, 2025


Vulnerability identifier: #VU120001
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-61927
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Happy DOM
Software vendor:
capricorn86

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote attacker can trick the victim into visiting a specially crafted website and and execute arbitrary code on the target system in the context of the Node.js VM Context.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links