CVE-2006-5131
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 · uneditedmodule/shout/jafshout.php (aka the shoutbox) in ph03y3nk just another flat file (JAF) CMS 4.0 RC1 allows remote attackers to execute arbitrary code within sections bounded by "<?php" and "?>", possibly due to a static code injection vulnerability involving admin/data_inc.php.
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 confidenceStatic code injection vulnerability in ph03y3nk JAF CMS 4.0 RC1 shoutbox module (module/shout/jafshout.php) allows remote attackers to inject arbitrary PHP code via user input that gets written to admin/data_inc.php and subsequently executed within <?php ?> tags.
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= 4.0CVSS 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 JAF CMS 4.0 installationLocate the CMS installation directory and identify the installed version from version files, config files, or the main index/page files where the version is typically declaredAffected if The installed version is JAF CMS 4.0 RC1 or 4.0
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Identify the shoutbox module presenceCheck if the file module/shout/jafshout.php exists in the CMS installation directoryAffected if The jafshout.php file exists in the module/shout/ directory
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Determine if shoutbox is enabledReview the CMS configuration files, database settings, or module configuration to verify whether the shoutbox component is active or loadedAffected if The shoutbox module is enabled or loaded in the current configuration
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Inspect the data file for injected codeRead the contents of admin/data_inc.php and search for any <?php ?> tags containing suspicious or unexpected PHP code, especially base64_decode, system, exec, shell_exec, or other command execution functionsAffected if admin/data_inc.php contains PHP code within <?php ?> tags that was not intentionally placed there by administrators
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Check web server access logsReview HTTP access logs for POST requests to module/shout/jafshout.php that contain PHP code patterns (e.g., <?php, system(, shell_exec(, base64_decode) in the request bodyAffected if Logs show requests to the shoutbox module with PHP code payloads in the request parameters
A user is affected if JAF CMS 4.0 is installed with the shoutbox module enabled, and the admin/data_inc.php file contains unauthorized PHP code or suspicious requests were made to the shoutbox endpoint.
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 dataDisable or remove the vulnerable shoutbox component until a patched version is available; if continued use is required, implement strict input validation and sanitization to prevent PHP code injection, and ensure user-supplied data is never directly written to files that are later included for execution.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 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 $2,560.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2006-5131 — 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-2006-5131 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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