dbcve.org
InjectionWeakness · CWE-74

CVE-2026-11488

HIGH · 7.3 CVSS v3.1 Published 2026-06-08
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
82/100
Remediation priority · High
Remotely reachable No privileges 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 has been found in code-projects Simple Flight Ticket Booking System 1.0. This affects an unknown part of the file checkUser.php of the component POST Parameter Handler. The manipulation of the argument Username leads to sql injection. The attack is possible to be carried out 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 code-projects Simple Flight Ticket Booking System 1.0 allows remote attackers to inject malicious SQL queries via the Username POST parameter in checkUser.php. The application fails to properly sanitize user input before using it in SQL queries, enabling attackers to manipulate database queries, potentially exfiltrating sensitive data, bypassing authentication, or modifying database contents.

MitigationReplace dynamic SQL queries with parameterized queries/prepared statements in checkUser.php and all other files handling user input. Apply input validation and enforce least privilege on database accounts. Consider deploying a WAF as a temporary defensive layer until code fixes are deployed.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

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. Confirm Simple Flight Ticket Booking System is installed
    Locate the application files in your web server directory. Common paths may include /var/www/html/, /www/, or C:\inetpub\wwwroot\ depending on your server setup. Look for the main application directory containing the booking system files.
    Affected if The application directory and its files are present on the server.
  2. Verify the application version is 1.0
    Check for a version file, readme.txt, or any version identifier within the application root directory. Alternatively, examine the main index.php or configuration files for a version number.
    Affected if The installed version matches 1.0, which contains the vulnerable code.
  3. Locate the checkUser.php file
    Search the application directory for the file named checkUser.php. This file typically resides in the root directory or within an admin/includes folder.
    Affected if The file checkUser.php exists in the application structure.
  4. Inspect the checkUser.php code for the vulnerability
    Open checkUser.php in a text editor and locate the section handling the Username POST parameter. Look for database query execution (such as mysqli_query or mysql_query) where the Username variable is directly concatenated into the SQL statement without using prepared statements or escaping functions.
    Affected if The code shows direct insertion of the $_POST['username'] variable into an SQL query without sanitization or parameter binding.
  5. Determine if the login functionality is accessible
    Verify that the login page or endpoint that calls checkUser.php is accessible over the network. This is typically the unauthenticated login page where users submit credentials.
    Affected if The login functionality is active and reachable without authentication.

Your environment is affected if Simple Flight Ticket Booking System version 1.0 is installed, the vulnerable checkUser.php file exists, and the login functionality is accessible with unpatched code that directly uses the Username POST parameter in SQL queries.

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.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Replace dynamic SQL queries with parameterized queries/prepared statements in checkUser.php and all other files handling user input. Apply input validation and enforce least privilege on database accounts. Consider deploying a WAF as a temporary defensive layer until code fixes are deployed.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation6.0 h
  • Testing4.0 h
  • Review / QA2.0 h
16.0 hours of engineering $2,840
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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-2026-11488 in production — separate from our analysis above.

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What this is

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What belongs here
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  • Version or environment caveats, and links to real fixes
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