CVE-2025-49223 billboard.js allows prototype pollution via the function generate
Prototype pollution in billboard.js allows attackers to execute arbitrary code or cause denial of service by injecting properties.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-49223?
CVE-2025-49223 is a critical code injection vulnerability in NAVER billboard.js, published on 4 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
billboard.js before 3.15.1 was discovered to contain a prototype pollution via the function generate, which could allow attackers to execute arbitrary code or cause a Denial of Service (DoS) via injecting arbitrary properties.
Weakness: CWE-1321
Which versions are affected by CVE-2025-49223?
2 open source packages ship an affected version, including billboard.js. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
billboard.js npm | All versions | 3.15.1 |
billboard.js npm | All versions | 3.15.1 |
Products include Naver Billboard.js.
How do I fix CVE-2025-49223?
Upgrade billboard.js to 3.15.1 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2025-49223 being exploited?
There is no known exploitation of CVE-2025-49223 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in NAVER billboard.js
Sources
Also known as GHSA-65p9-j6pg-72hj, UBUNTU-CVE-2025-49223.