Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.
Priority MEDIUM 49CWE-358Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00503 43rd percentileScored 2026-11-07
Fix Fixed NAVER Whale browser (NAVER): 4.33.325.17
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
Remediation
- Fix · CNA NAVER Whale browser (NAVER) Fixed in 4.33.325.17
Timeline
- 2026-10-02 Threatist record created from CVE-2025-62583
- 2026-10-03 Alias added: GHSA-5rgq-6cg5-cm5j
References
Advisory 1
More NAVER vulnerabilities
- 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
Sources
- CVE-2025-62583 · CVE Program
- CVE-2025-62583 · NVD
- FIRST EPSS
- GHSA-5rgq-6cg5-cm5j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences