CSP bypass via undisclosed dual-tab scheme
Published Oct 16, 2025 · Updated Oct 16, 2025
Content Security Policy bypass in NAVER Whale Browser before 4.33.325.17 allows remote attackers to evade web-content restrictions. NAVER has not disclosed the specific scheme or the browser security-check logic that mishandles it when content is opened across two tabs. Exploitation requires the vendor-described dual-tab environment; the demonstrated consequence is limited to bypassing the affected page's CSP restrictions.
Summary
What happened
Content Security Policy bypass in NAVER Whale Browser before 4.33.325.17 allows remote attackers to evade web-content restrictions. NAVER has not disclosed the specific scheme or the browser security-check logic that mishandles it when content is opened across two tabs. Exploitation requires the vendor-described dual-tab environment; the demonstrated consequence is limited to bypassing the affected page's CSP restrictions.
The record
- CVE
- CVE-2025-62585
- Published
- Oct 16, 2025
- Updated
- Oct 16, 2025
- Vendor
- NAVER Corporation
- Product
- NAVER Whale Browser
- Classifications
- CWE-358
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Oct 16, 2025CVE publishedPublication date reported by the CVE source.
- Oct 16, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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