CVE-2025-62583
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedWhale Browser before 4.33.325.17 allows an attacker to escape the iframe sandbox in a dual-tab environment.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceWhale Browser versions prior to 4.33.325.17 contain an iframe sandbox escape vulnerability exploitable in a dual-tab environment. An attacker can potentially bypass sandbox restrictions to execute arbitrary code or access resources outside the iframe's isolated context when a user has multiple tabs open.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data< 4.33.325.17CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Locate Whale Browser installationCheck for the Whale browser executable (whale.exe) in standard installation directories such as C:\Program Files\Whale\ on Windows, or search the system using: dir /s /b whale.exe 2>nulAffected if Whale Browser executable is found on the system
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Retrieve installed Whale Browser versionOpen a command prompt in the Whale installation directory and run: whale.exe --version OR right-click whale.exe, select Properties, and view the Details tab for version informationAffected if The displayed version number is lower than 4.33.325.17
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Verify version via browser about pageLaunch Whale Browser, type whale://about in the address bar, and note the version number displayed on the resulting pageAffected if The reported version is 4.33.325.16 or earlier
The user is affected if Whale Browser is installed and its version is below 4.33.325.17, as this is the only condition required for the iframe sandbox escape vulnerability to be present.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped4.33.325.17
Update Whale Browser to version 4.33.325.17 or later. Organizations should deploy the browser update through their patch management systems and verify completion across all managed endpoints.
Whale Browser 4.33.325.17 or later
- Check the current Whale Browser version by navigating to whale://version or accessing the browser's about section
- Download Whale Browser version 4.33.325.17 or later from the official Whale browser website or through the browser's built-in update mechanism
- Install the updated version, ensuring the installer completes successfully
- Restart the browser to apply the update
- Verify the installed version is 4.33.325.17 or later
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation1.0 h
- Implementation2.0 h
- Testing1.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,424.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-62583 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-62583 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data