CVE-2025-62583

CRITICALNVD 9.89.8—Trending — 3 sources updated this week

9.8

Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 22.1%
KEV: Not listed

Published

October 16, 2025

Last Modified

October 21, 2025

References (1)

cve@navercorphttps://cve.naver.com/detail/cve-2025-62583.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-358Improperly Implemented Security Check for Standard

Data Freshness Timeline

(refreshed 5× in last 7d / 5× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 20:40 UTCEG score recompute
2026-05-29 20:39 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-62583?

CVE-2025-62583 is a critical vulnerability published on October 16, 2025. Whale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.

When was CVE-2025-62583 disclosed?

CVE-2025-62583 was first published in the National Vulnerability Database on October 16, 2025, with the most recent update on October 21, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-62583 actively exploited?

CVE-2025-62583 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 22.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-62583?

CVE-2025-62583 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2025-62583?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-62583, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-62583

📅 Published

🔄 Last Modified

🔗 References (1)