CVE-2025-49223

CVE-2025-49223 is a critical-severity vulnerability in Naver Billboard.js with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1321.

Key facts

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.

Frequently asked questions

What is CVE-2025-49223?
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.
How severe is CVE-2025-49223?
CVE-2025-49223 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-49223 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-49223?
CVE-2025-49223 affects Naver Billboard.js. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-49223?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-49223 have an EU (EUVD) identifier?
Yes. CVE-2025-49223 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16802.
When was CVE-2025-49223 published?
CVE-2025-49223 was published on 2025-06-04 and last updated on 2026-06-17.

References

Affected products (1)

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