CVE-2023-4988
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 · uneditedA vulnerability, which was classified as problematic, was found in Bettershop LaikeTui. This affects an unknown part of the file index.php?module=system&action=uploadImg. The manipulation of the argument imgFile leads to unrestricted upload. It is possible to initiate the attack remotely. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The associated identifier of this vulnerability is VDB-239799.
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 confidenceUnrestricted file upload vulnerability in Bettershop LaikeTui e-commerce platform's image upload handler at index.php?module=system&action=uploadImg. The imgFile parameter accepts arbitrary file uploads without proper validation, allowing remote attackers to upload malicious files (e.g., web shells) and potentially achieve 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 dataall versionsCVSS 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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Locate the vulnerable upload scriptSearch the web root for the file 'index.php' and verify the path 'index.php?module=system&action=uploadImg' exists and is accessible via HTTP requestAffected if The upload endpoint responds (even with an error) indicating the script exists
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Identify the Laiketui installation versionCheck version files in the installation directory (such as version.php, README files, or the admin panel About page)Affected if The installed version is any version of Laiketui (all versions are affected)
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Test unrestricted file upload capabilitySend a POST request to index.php?module=system&action=uploadImg with the 'imgFile' parameter containing a non-image file (e.g., a text file with .php extension) and observe if the file is accepted and stored without MIME type validationAffected if The server accepts and returns a path to the uploaded file regardless of file type
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Inspect upload directory for unauthorized filesExamine the upload directory (typically /uploads/ or /upload/ within the web root) for executable files such as .php, .php5, .phtml, .asp, or .jsp files that were not intentionally uploadedAffected if Script files or unrecognized file types exist in upload directories outside the web root or with executable extensions
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Review web server access logs for upload endpoint abuseSearch HTTP access logs for repeated POST requests to 'action=uploadImg' and note any unusual file extensions or suspicious user-agent patternsAffected if Logs show uploads of non-image file types or suspicious activity patterns
A user is affected if they have any installation of Laiketui with the upload endpoint accessible and the endpoint accepts files without validating the MIME type or file content.
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 the vulnerable upload endpoint immediately via web server configuration or remove the file. Implement strict allowlist-based file validation (checking both MIME type and file content magic bytes), store uploads outside the web root, and disable script execution in upload directories.
- Consultation4.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-4988 — 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-2023-4988 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