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TI-2025-33536 Aliases CVE-2025-53599GHSA-gq25-gcgv-4g86

Cross-site scripting in NAVER Whale browser

Priority MEDIUM 49CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

Whale browser for iOS before 3.9.1.4206 allow an attacker to execute malicious scripts in the browser via a crafted javascript scheme.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00442 38th percentileScored 2026-11-07
Fix Fixed NAVER Whale browser (NAVER): 3.9.1.4206

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NAVERNAVER Whale browser—3.9.1.4206Patch availableCNA
  • NAVER Whale browser VendorNAVER Affected — Fixed in 3.9.1.4206 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:navercorp:whale:*:*:*:*:*:iphone_os:*:*before 3.9.1.4206VulnerableNavercorp
  • cpe:2.3:a:navercorp:whale:*:*:*:*:*:iphone_os:*:* Versions before 3.9.1.4206 Vulnerable ·Navercorp

Remediation

  • Fix · CNA NAVER Whale browser (NAVER) Fixed in 3.9.1.4206

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-53599
  2. 2026-10-03 Alias added: GHSA-gq25-gcgv-4g86

References

Advisory 1

  • TI-2026-84161 billboard.js allows XSS via unsanitized series ids in legend templates CVSS 3.1MEDIUM 6.1
  • TI-2026-19139 Server-side request forgery in NAVER lucy-xss-filter CVSS 3.1MEDIUM 6.1
  • TI-2024-18782 Missing authorization in NAVER nGrinder CVSS 3.1MEDIUM 5.4
  • TI-2025-31281 Prototype pollution in NAVER billboard.js CVSS 3.1CRITICAL 9.8
  • TI-2024-18778 Deserialization of untrusted data in NAVER nGrinder CVSS 3.1CRITICAL 9.8
  • TI-2024-18777 Deserialization of untrusted data in NAVER nGrinder CVSS 3.1CRITICAL 9.8
See all 46 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences