CVE-2025-6840
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 critical, was found in code-projects Product Inventory System 1.0. This affects an unknown part of the file /index.php of the component Login. The manipulation of the argument Username leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
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 confidenceSQL injection vulnerability in the Product Inventory System 1.0 login form at /index.php. The Username parameter is not properly sanitized before being used in SQL queries, allowing remote attackers to inject malicious SQL code and potentially extract or modify database contents.
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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Locate the Product Inventory System installationSearch the web server document root for files named 'index.php' that contain 'Product Inventory System' or look for the application directory. Common paths: /var/www/html/, /www/, /htdocs/, or C:\inetpub\wwwroot\Affected if The application files are found on the server
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Confirm the installed versionCheck the application's source files for a version identifier. Look in index.php, README.txt, or a version/config file for '1.0' or 'version' strings. Also check page source meta tags for version information.Affected if The version is exactly 1.0
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Verify the login page is accessibleAttempt to access the login form via HTTP/HTTPS at the path /index.php on the server where the application is hosted. Use curl or a browser: curl -I http://TARGET/index.phpAffected if The /index.php login page returns HTTP 200 and displays a login form
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Confirm the vulnerable code pattern existsIf possible, inspect the index.php file source code around the login form handling. Search for the Username parameter handling and verify SQL queries are built using string concatenation or unsanitized variables rather than prepared statements.Affected if The login code uses direct string interpolation in SQL queries without prepared statements and the Username input is not sanitized
The environment is affected if Fabian Product Inventory System version 1.0 is installed and the /index.php login form is accessible, as the SQL injection vulnerability exists in the Username parameter of this version.
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 prepared statements/parameterized queries for all database interactions in the login component. Validate and sanitize user input before use in SQL queries.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2025-6840 — 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-2025-6840 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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