What is CVE-2025-61927?

CVE-2025-61927 is a vulnerability in Capricorn86 Happy-dom, classified under Code Injection. Published 2025-10-10.

Is CVE-2025-61927 known to be exploited?

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

RCE in Capricorn86 Happy-dom

CVE-2025-61927

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…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.006 (69.3th percentile) — read the EPSS interpretation.

Affected products

Capricorn86 Happy-dom — versions < 20.0.0

Weakness classification (CWE)

CWE-94 — Code Injection

Public proof-of-concept exploits

tanjiti/sec_

References

https://github.com/capricorn86/happy-dom/security/advisories/GHSA-37j7-fg3j-429f (x_refsource_CONFIRM)
https://github.com/capricorn86/happy-dom/commit/819d15ba289495439eda8be360d92a614ce22405 (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-61927?: CVE-2025-61927 is a vulnerability in Capricorn86 Happy-dom, classified under Code Injection. Published 2025-10-10.
Is CVE-2025-61927 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.