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Vulnerability details

7.2/10
CVSS 4.0
CVE-2025-61927
false_positive Published 2025-10-10 Updated 2026-10-08
NVD MITRE OpenCVE
Vulnerability Data from Dependency-Track
Affected versions
Score
7.2 CVSS 4.0 NVD CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:L/VI:H/VA:H/SC:H/SI:H/SA:H
Description
Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Happy DOM v19 and lower contains a security vulnerability that puts the owner system at the risk of RCE (Remote Code Execution) attacks. A Node.js VM Context is not an isolated environment, and if the user runs untrusted JavaScript code within the Happy DOM VM Context, it may escape the VM and get access to process level functionality. It seems like what the attacker can get control over depends on if the process is using ESM or CommonJS. With CommonJS the attacker can get hold of the `require()` function to import modules. Happy DOM has JavaScript evaluation enabled by default. This may not be obvious to the consumer of Happy DOM and can potentially put the user at risk if untrusted code is executed within the environment. Version 20.0.0 patches the issue by changing JavaScript evaluation to be disabled by default.
Same vulnerability as
GHSA-37j7-fg3j-429f false_positive according to EUVD-2025-33777
Analysis Read only
The analysis can only be edited by the BlueMind security teams: log in.

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