FlaskcodeApplication · Sujeetkv
CVE-2023-52289
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 · uneditedAn issue was discovered in the flaskcode package through 0.0.8 for Python. An unauthenticated directory traversal, exploitable with a POST request to a /update-resource-data/<file_path> URI (from views.py), allows attackers to write to arbitrary files.
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 confidenceThe flaskcode package through version 0.0.8 contains an unauthenticated directory traversal vulnerability in the /update-resource-data/<file_path> endpoint in views.py. The file_path parameter is not properly sanitized, allowing attackers to use '../' sequences to navigate outside the intended directory and write arbitrary files 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
FlaskcodeApplication
<= 0.0.8CVSS 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
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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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Check installed flaskcode versionRun 'pip show flaskcode' or 'pip list | grep -i flaskcode' to see the installed versionAffected if Version is 0.0.8 or lower (any version <= 0.0.8 is affected)
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Locate flaskcode views.pyFind the flaskcode package installation path (typically in site-packages/flaskcode/) and locate views.py to verify the /update-resource-data endpoint existsAffected if The endpoint /update-resource-data/<file_path> is present in the codebase (vulnerability exists in all versions <= 0.0.8)
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Verify route is mountedInspect your Flask application configuration to confirm the flaskcode Blueprint or routes are registered and the /update-resource-data endpoint is accessibleAffected if The flaskcode routes are mounted and reachable via HTTP/HTTPS
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Check if authentication is enforcedExamine the flaskcode configuration or views.py to see if authentication decorators (e.g., @login_required) are applied to the /update-resource-data endpointAffected if No authentication is required to access the vulnerable endpoint (authentication is disabled or missing)
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Confirm network exposureDetermine if the Flask server running flaskcode is bound to a public or shared network interface (0.0.0.0) and is accessible without firewall restrictionsAffected if The service is accessible from untrusted networks without additional access controls
You are affected if flaskcode version 0.0.8 or lower is installed AND the /update-resource-data endpoint is exposed without authentication on a network-accessible service.
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 input validation on the file_path parameter using os.path.realpath() to resolve paths and verify the final path stays within an allowed directory whitelist. Additionally, enforce authentication on all file operation endpoints.
Fix this in Flaskcode
Scoped from the published advisory
- Consultation3.0 h
- Implementation6.0 h
- Testing4.0 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 $4,224.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-52289 — 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-2023-52289 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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- Version or environment caveats, and links to real fixes
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