CVE-2006-4851
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 · uneditedPHP remote file inclusion vulnerability in system/_b/contentFiles/gBHTMLEditor.php in BolinOS 4.5.5 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the gBRootPath parameter. NOTE: the provenance of this information is unknown; the details are obtained from third party information.
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 confidenceRemote file inclusion vulnerability in BolinOS 4.5.5 and earlier allows arbitrary PHP code execution through the gBRootPath parameter in system/_b/contentFiles/gBHTMLEditor.php. Attackers can supply a malicious URL that the PHP include() or require() function will execute, effectively giving them remote code execution on the server.
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<= 4.5.5= 4.3.0= 4.4.1CVSS 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
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
AV:N/AC:L/Au:N/C:P/I:P/A:P
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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Confirm BolinOS installationIdentify if BolinOS web application is installed by checking for characteristic files, directories, or HTTP response headers (e.g., look for 'bolinos', 'BolinOS', or the typical directory structure).Affected if BolinOS is present on the server.
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Determine BolinOS versionLocate the installed version by examining version files, changelogs, or the main index/header files that may contain version strings like '4.5.5', '4.4.1', or '4.3.0'. Compare against the affected ranges: <= 4.5.5, specifically 4.3.0, 4.4.1, and earlier versions.Affected if The installed version is 4.5.5 or earlier (including 4.3.0 and 4.4.1).
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Verify vulnerable file existsCheck for the presence of the file system/_b/contentFiles/gBHTMLEditor.php in the web root or application directory.Affected if The file gBHTMLEditor.php exists on the system.
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Inspect the vulnerable codeExamine the source code of gBHTMLEditor.php to confirm it uses the gBRootPath parameter in an include() or require() statement without proper sanitization.Affected if The code contains an include() or require() call using the gBRootPath parameter without input validation.
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Test parameter accessibilityAttempt a harmless test request to the endpoint (e.g., GET /system/_b/contentFiles/gBHTMLEditor.php?gBRootPath=test) to verify the parameter is processed and the file is reachable via HTTP.Affected if The server processes the gBRootPath parameter and the file is accessible over HTTP.
A user is affected if BolinOS version 4.5.5 or earlier is installed AND the file system/_b/contentFiles/gBHTMLEditor.php exists AND the gBRootPath parameter is processed by the application without validation.
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.
From vendor dataUpgrade BolinOS to a version beyond 4.5.5 that includes security patches, or disable/remove the vulnerable gBHTMLEditor.php component entirely if no upgrade path exists. Implement WAF rules to block URL parameters in requests to this endpoint as an interim measure.
- Consultation2.0 h
- Implementation2.0 h
- Testing1.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2006-4851 — 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-2006-4851 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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- 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
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