CVE-2023-48433
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 · uneditedOnline Voting System Project v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. The 'username' parameter of the login_action.php resource does not validate the characters received and they are sent unfiltered to the database.
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 confidenceUnauthenticated SQL injection in the login_action.php script allows attackers to inject arbitrary SQL commands via the username parameter. The application fails to use parameterized queries or input validation, enabling attackers to manipulate database queries without authentication.
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 login_action.php scriptSearch the web server document root for the file login_action.php, which is typically found in the authentication or admin directory of the Online Voting System.Affected if The file exists in the application directory, indicating the vulnerable component is present.
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Verify the application versionCheck the version of Projectworlds Online Voting System by reviewing any version.php file, README file, or meta information in the application header. Compare against version 1.0.Affected if The installed version is 1.0, matching the affected version range.
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Inspect the login_action.php code for SQL injection vulnerabilityOpen login_action.php and examine how the username parameter is handled in database queries. Look for dynamic SQL construction without prepared statements or parameter binding.Affected if The code uses direct string concatenation or interpolation of the username parameter into SQL queries (e.g., SELECT * FROM users WHERE username='$username') rather than parameterized queries.
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Confirm the application is network-accessibleVerify that the login page (where login_action.php is called) is accessible from the network by attempting to access the login URL or checking web server access logs.Affected if The application is exposed to network users, meaning unauthenticated attackers can reach the vulnerable login_action.php endpoint.
The environment is affected if the Projectworlds Online Voting System version 1.0 is installed, the login_action.php file uses dynamic SQL with the username parameter, and the application is network-accessible to unauthenticated users.
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 dataReplace dynamic SQL queries with prepared statements/parameterized queries. Implement strict input validation on all user-supplied data, particularly in authentication-related code.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-48433 — 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-2023-48433 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
- No spam, self-promotion, credentials, or personal data