CVE-2023-43382
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 · uneditedDirectory Traversal vulnerability in itechyou dreamer CMS v.4.1.3 allows a remote attacker to execute arbitrary code via the themePath in the uploaded template function.
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 · high confidenceA directory traversal vulnerability in dreamer CMS v4.1.3 allows remote attackers to execute arbitrary code by manipulating the themePath parameter in the template upload functionality. The lack of proper path sanitization permits traversing outside the intended template directory, enabling attackers to write malicious files to arbitrary locations 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= 4.1.3CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/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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Identify Dreamer CMS installationLocate the CMS by checking web server directories for 'dreamer', 'dreamercms', or 'iteachyou' folders. Access the homepage and look for Dreamer CMS branding or footer identifiers.Affected if Dreamer CMS is installed on the server
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Confirm installed version is 4.1.3Check the version file typically found in the application root (version.txt, VER.txt, or within the admin panel under System > About). Compare your installed version to the affected range.Affected if The installed version is exactly 4.1.3
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Verify template upload feature is accessibleNavigate to the admin panel and locate the template management or theme upload section (usually under Tools > Template or Design > Themes). Confirm the upload functionality exists.Affected if Template upload functionality is present and accessible to administrators
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Check themePath parameter handlingInspect the template upload source code for the themePath parameter. Look for path traversal validation logic in the upload handler (commonly in controllers or service files handling template uploads).Affected if The themePath parameter lacks proper path sanitization and allows directory traversal sequences (../)
You are affected if Dreamer CMS version 4.1.3 is running and the template upload feature with the vulnerable themePath parameter is accessible.
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 dataImplement strict path validation to ensure the themePath parameter only accepts whitelisted, relative paths within the designated templates directory. Additionally, restrict template upload permissions to authenticated administrators and add file type validation for uploaded template files.
- Consultation3.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2023-43382 — 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-2023-43382 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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