Vulnerability · CVE-2025-62583
Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.
Published Oct 16, 2025 · catalog updated Oct 16, 2025 · NAVER NAVER Whale browser
Last checked Nov 1, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-62583. EPSS is 0.50%. Act only if a listed version of NAVER NAVER Whale browser is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2025-69235 · High
- CVE-2025-69234 · Critical
- CVE-2025-62585 · High
- CVE-2025-62584 · High
- Severity
- Critical9.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.50%
- Remediation
- Vendor / distro source
- Affected products
- vendor NAVER NAVER Whale browser patch: 4.33.325.17
Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor NAVER NAVER Whale browser patch: 4.33.325.17patch: 4.33.325.17
How to fix CVE-2025-62583
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in patch: 4.33.325.17
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-62583. EPSS is 0.50%. Act only if a listed version of NAVER NAVER Whale browser is installed.
Which versions are affected?
Compare what you have installed with NAVER NAVER Whale browser patch: 4.33.325.17 patch: 4.33.325.17. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.50%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 16, 2025 · EUVD
Detected
Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.
Oct 16, 2025 · EUVD
Updated
Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.
Sources
- CVE.orgVulnerability recordCVE-2025-62583
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-62583
30-day exploitation probability 0.50%
first.org - EUVDVulnerability recordEUVD-2025-34719
Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 1, 2026
- CVE.orgOct 26, 2026
- EUVDOct 26, 2026