CVE-2023-41503
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 · uneditedStudent Enrollment In PHP v1.0 was discovered to contain a SQL injection vulnerability via the Login function.
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 confidenceStudent Enrollment In PHP v1.0 contains a SQL injection vulnerability in the Login function. The vulnerability allows attackers to inject malicious SQL queries through unsanitized input in the authentication mechanism, potentially enabling unauthorized access to the application and underlying database.
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 Student Enrollment PHP applicationSearch for files named 'login.php', 'index.php', or directories containing 'enrollment' in your web root. Typical paths include /var/www/html/, /htdocs/, or C:\xampp\htdocs\Affected if The application directory containing Student Enrollment version 1.0 is found on the server
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Identify the login processing fileOpen the login-related PHP file (commonly login.php, index.php, or auth.php in the application root). Look for the authentication logic handling username and password parameters.Affected if A login processing file exists in the application
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Inspect SQL query construction in the login functionExamine the code that handles the SQL query for authentication. Look for patterns like $sql = "SELECT * FROM users WHERE username='" . $_POST['username'] . "'" - direct string concatenation of user input into SQL queries.Affected if The login function uses direct string concatenation or unsanitized variables in SQL queries (e.g., $_POST['username'] or $_POST['password'] inserted directly into SQL strings without escaping or parameter binding)
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Verify if prepared statements are usedCheck for the presence of prepare() and bindParam()/bindValue() methods, or mysqli_prepare(). If these are absent and raw SQL strings are executed with user input, the vulnerability is present.Affected if No prepared statements or parameterized queries are used in the authentication SQL queries; user input is concatenated directly into SQL strings
You are affected if the Student Enrollment PHP v1.0 application is installed and its login function uses unsanitized dynamic SQL queries instead of prepared statements.
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 in the Login function with parameterized queries (prepared statements) to properly sanitize user input before executing database queries.
- Consultation3.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-41503 — 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-2023-41503 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
- No weaponised exploit code, or anything meant to cause harm
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