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Chat SystemApplication · Code Projects

CVE-2024-13020

HIGH · 8.8 CVSS v3.1 Published 2024-12-29
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
94/100
Remediation priority · Urgent
Remotely reachable Zero-click

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 · unedited
A vulnerability classified as critical was found in code-projects Chat System 1.0. Affected by this vulnerability is an unknown functionality of the file /admin/chatroom.php. The manipulation of the argument id leads to sql injection. The attack can be launched 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 confidence

SQL injection vulnerability in /admin/chatroom.php allows remote attackers to inject malicious SQL queries through the unprotected 'id' parameter, potentially exposing or manipulating the database.

MitigationReplace dynamic SQL queries with parameterized statements (prepared statements) and implement proper input validation on the id parameter. Apply principle of least privilege to database accounts.

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
Chat SystemApplication
Affected:= 1.0

CVSS 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
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify if Code Projects Chat System is installed
    Search web root directories for 'chatroom.php' file, particularly in /admin/ paths. Check for application files matching 'chat system' or similar naming.
    Affected if The Code Projects Chat System version 1.0 is present on the server
  2. Verify the exact version installed
    Check version.php, README, or any version file within the application installation directory. Compare against the affected version = 1.0.
    Affected if Installed version is exactly 1.0
  3. Confirm /admin/chatroom.php exists
    Locate and verify the file path /admin/chatroom.php exists within the web application directory structure.
    Affected if The vulnerable file /admin/chatroom.php is present
  4. Inspect the id parameter handling
    Open /admin/chatroom.php and examine how the 'id' GET or POST parameter is used in SQL queries. Look for direct string concatenation of the id parameter into SQL statements without prepared statements or escaping functions.
    Affected if The id parameter is directly concatenated into SQL queries without parameterization or sanitization
  5. Check database user privileges
    Review database configuration files (e.g., db.php, config.php) to identify the database user privileges configured for the application.
    Affected if Database user has elevated privileges (e.g., root, admin) rather than least-privilege account

The environment is affected if Code Projects Chat System v1.0 is running with the /admin/chatroom.php file present and the id parameter is handled via direct SQL concatenation rather than prepared statements.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Replace dynamic SQL queries with parameterized statements (prepared statements) and implement proper input validation on the id parameter. Apply principle of least privilege to database accounts.

Recommended fix Moderate confidence
  1. Locate the file /admin/chatroom.php in your Chat System 1.0 installation
  2. Identify the code that handles the 'id' parameter in SQL queries - look for unsanitized database queries using $_GET['id'] or $_POST['id']
  3. Replace the vulnerable SQL query with a prepared statement (parameterized query). For example, if the original code was: $result = mysqli_query($conn, "SELECT * FROM chatrooms WHERE id='$id'"), change it to: $stmt = mysqli_prepare($conn, "SELECT * FROM chatrooms WHERE id=?"); mysqli_stmt_bind_param($stmt, "s", $id); mysqli_stmt_execute($stmt); $result = mysqli_stmt_get_result($stmt);
  4. Ensure all user-supplied input is properly escaped or bound as parameters before being used in any SQL query throughout the application
  5. Test the fix by attempting SQL injection payloads in the id parameter to confirm the vulnerability is remediated
  6. Consider implementing additional security measures such as: enabling WAF protection, implementing least-privilege database users, and adding input validation

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Chat System Scoped from the published advisory
  • Consultation3.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA2.0 h
12.0 hours of engineering $2,130
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-13020 in production — separate from our analysis above.

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What this is

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.

What belongs here
  • 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