CVE-2023-47843
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 · uneditedImproper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Zachary Segal CataBlog.This issue affects CataBlog: from n/a through 1.7.0.
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 confidenceA path traversal vulnerability in CataBlog up to version 1.7.0 allows attackers to access files outside the restricted web directory by manipulating path references with '../' sequences. The plugin fails to properly validate or sanitize file path inputs, potentially enabling unauthorized file system access.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- High
- User interaction
- None
- Scope
- Changed
- Confidentiality
- None
- Integrity
- Low
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/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 CataBlog plugin installationSearch for the catablog directory in your WordPress plugins folder (wp-content/plugins/catablog) or check the plugin list via WordPress admin under Plugins > Installed PluginsAffected if CataBlog plugin is found installed on the WordPress site
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Identify installed CataBlog versionOpen the main plugin file (usually catablog.php) and look for the version definition in the plugin header comment, or check the version displayed in the WordPress plugins admin listAffected if Version is 1.7.0 or any earlier version (e.g., 1.6.9, 1.6.8, etc.)
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Verify file handling functionality is accessibleCheck if the catablog-upload, catablog-download, or similar file handling endpoints are active and accessible (check for related PHP files in the plugin directory or router configuration)Affected if File upload or download features are enabled and publicly accessible without additional access controls
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Inspect file path handling codeExamine the PHP files that handle file paths for upload/download operations, looking for direct use of user-supplied path parameters without sanitization (search for $_GET, $_POST, or $_REQUEST variables used in file operations like file_get_contents, fopen, include, require)Affected if Code accepts path parameters without validating they do not contain '../' sequences or without realpath() checks to ensure the path stays within allowed directories
You are affected if CataBlog version 1.7.0 or earlier is installed AND the file handling functionality is accessible, with path parameters being used without proper sanitization to prevent directory traversal.
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 dataUpdate CataBlog to the latest patched version. If no update is available, implement strict input validation and path sanitization to ensure all file path references remain within allowed directories.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,088.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-47843 — 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-2023-47843 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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