Simple Online Hotel Reservation SystemApplication · Fabian

CVE-2025-6449

CRITICAL · 9.8 CVSS v3.1 Published 2025-06-22
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Public exploit 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 was found in code-projects Simple Online Hotel Reservation System 1.0 and classified as critical. Affected by this issue is some unknown functionality of the file /admin/checkout_query.php. The manipulation of the argument transaction_id leads to sql injection. The attack may 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 the /admin/checkout_query.php file of Simple Online Hotel Reservation System 1.0 allows remote attackers to inject malicious SQL queries via the unsanitized transaction_id parameter.

MitigationImplement parameterized queries (prepared statements) for the transaction_id parameter and all other user inputs in the affected file to prevent SQL injection attacks.

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
Simple Online Hotel Reservation 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
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 checks

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

  1. Locate the Simple Online Hotel Reservation System installation
    Search for the presence of the application on the server by identifying directories containing files typical to this system (e.g., index.php, booking files, admin folder) or check web root for hotel reservation related content
    Affected if The application directory structure is found on the server
  2. Verify the affected file exists
    Check for the presence of /admin/checkout_query.php in the web application directory
    Affected if The file /admin/checkout_query.php exists in the application installation
  3. Confirm the application version
    Examine any version files, headers, or metadata within the application to determine if it is version 1.0
    Affected if The installed version is exactly 1.0 (no other versions are listed as affected)
  4. Check admin access control
    Inspect the /admin/ directory to determine if access controls are properly enforced (authentication required) or if the checkout_query.php file is publicly accessible without authentication
    Affected if The /admin/checkout_query.php endpoint is accessible without authentication (no login requirement)
  5. Review the vulnerable parameter in source code
    Examine the source code of /admin/checkout_query.php and locate the transaction_id parameter usage - check if it is directly concatenated into SQL queries without sanitization or parameterized queries
    Affected if The transaction_id parameter is used in SQL queries without prepared statements, parameter binding, or input sanitization

The environment is affected if Simple Online Hotel Reservation System version 1.0 is installed, the /admin/checkout_query.php file exists, and the transaction_id parameter is used in unsanitized SQL queries within that file.

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

Implement parameterized queries (prepared statements) for the transaction_id parameter and all other user inputs in the affected file to prevent SQL injection attacks.

Fix this in Simple Online Hotel Reservation System Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
9.0 hours of engineering $1,600
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2025-6449 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-6449 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

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