CVE-2022-27047
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 · uneditedmogu_blog_cms 5.2 suffers from upload arbitrary files without any limitation.
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 confidencemogu_blog_cms 5.2 contains an unrestricted file upload vulnerability that allows attackers to upload arbitrary file types to the server without any validation or limitations, likely enabling remote code execution.
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= 5.2CVSS 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
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/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 if Mogu Blog CMS is presentCheck your installed applications or services for mogu_blog, mogu, or blog cms. Look for Java application processes or web services running on common ports (8080, 80, 443).Affected if The software Mogu Blog CMS is installed on the system
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Determine the installed versionCheck the application version displayed in the web interface, in configuration files (pom.xml, application.yml/properties), or via the API endpoint. Look for version information in the admin dashboard or about page.Affected if The installed version is exactly 5.2 (no other versions are affected)
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Locate the file upload functionalityIdentify upload endpoints in the application. Common paths include /upload, /file/upload, /admin/upload, or similar paths under the blog admin panel. Check web.xml or application routing configuration for upload-related routes.Affected if The file upload feature exists and is accessible in the application
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Verify upload accepts arbitrary file typesAttempt to upload a test file with an executable extension (such as .jsp, .php, or .exe) to the identified upload endpoint. Check if the upload succeeds without validation errors or MIME type rejection.Affected if The upload endpoint accepts and stores files without validating type, extension, or content
You are affected if Mogu Blog CMS version 5.2 is installed and the file upload functionality is accessible and accepts files without type 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 dataImplement strict file type validation (MIME type, extension, and magic bytes), restrict upload directory to prevent script execution, and add authentication requirements for upload endpoints.
- Consultation2.0 h
- Implementation8.0 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 $4,480.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-27047 — 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-2022-27047 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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
- No spam, self-promotion, credentials, or personal data