CVE-2023-43899
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 · uneditedhansun CMS v1.0 was discovered to contain a SQL injection vulnerability via the component /ajax/ajax_login.ashx.
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 confidencehansun CMS v1.0 contains a SQL injection vulnerability in the /ajax/ajax_login.ashx component. Attackers can exploit this by injecting malicious SQL queries through the login endpoint, potentially allowing unauthorized database access, data exfiltration, or authentication bypass.
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= 1.0CVSS 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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Confirm hansun CMS installationLook for hansun CMS files, directories, or web application artifacts on the server. Check for CMS-specific folder structures or configuration files typically associated with hansun CMS.Affected if hansun CMS is not present on the system, the vulnerability does not apply.
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Verify installed CMS versionLocate version information files or headers specific to hansun CMS installation. Common locations include version.txt, about page, or configuration files listing the product version.Affected if The installed version is not exactly 1.0, the system may not be affected by this specific CVE.
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Check if ajax_login.ashx existsInspect the web root directory for the presence of the /ajax/ajax_login.ashx file. This file should exist in the web application's ajax directory.Affected if The ajax_login.ashx file is missing, the SQL injection point does not exist.
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Verify login endpoint is accessibleAttempt to access the login endpoint via HTTP/HTTPS request to /ajax/ajax_login.ashx or verify the endpoint responds in the application's URL structure.Affected if The login endpoint is not accessible or does not exist, the vulnerability cannot be exploited.
Your environment is affected if hansun CMS version 1.0 is installed and the /ajax/ajax_login.ashx login endpoint is accessible and operational.
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 parameterized queries or prepared statements for all database operations in the login functionality. Perform input validation and apply principle of least privilege to database accounts.
- Consultation3.0 h
- Implementation6.0 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 $3,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-43899 — 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-2023-43899 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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