XSS in Naver Whale Browser

CVE-2024-40618

Whale browser before 3.26.244.21 allows an attacker to execute malicious JavaScript due to improper sanitization when processing a built-in extension.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (28.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-40618?
CVE-2024-40618 is a critical-severity vulnerability in Naver Whale Browser, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2024-07-11.
How severe is CVE-2024-40618?
Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2024-40618 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.