Library SystemApplication · Code Projects

CVE-2025-6836

CRITICAL · 9.8 CVSS v3.1 Published 2025-06-29
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 classified as critical has been found in code-projects Library System 1.0. Affected is an unknown function of the file /profile.php. The manipulation of the argument phone leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Other parameters might be affected as well.

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 confidence

A critical SQL injection vulnerability exists in the Library System 1.0 /profile.php file where the 'phone' parameter is not properly sanitized before being used in database queries. An unauthenticated remote attacker can inject malicious SQL commands to potentially extract, modify, or delete database contents, potentially leading to full system compromise. The vulnerability has a CVSS v3.1 score of 9.8 (Critical) indicating ease of exploitation and severe impact.

MitigationImmediately implement parameterized queries (prepared statements) for all database operations in profile.php and validate/sanitize all user inputs. If immediate patching is not possible, consider temporarily disabling the affected functionality or implementing WAF rules as a compensating control.

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
Library 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. Identify the installed Library System version
    Check your application files or deployment documentation for the Code Projects Library System version. Look for version indicators in README files, configuration files, or the application's about/info page.
    Affected if The installed version is Library System 1.0
  2. Locate the profile.php file
    Search the web application directory for the file /profile.php. This is typically found in the root or a users/ directory of the application.
    Affected if The profile.php file exists in the application
  3. Examine the phone parameter handling
    Open profile.php and search for code that processes the 'phone' parameter. Look for SQL query construction where the phone parameter is directly concatenated or inserted into the query string without using prepared statements or parameter binding.
    Affected if The phone parameter is used in SQL queries without parameterized queries or input sanitization
  4. Verify unauthenticated access to profile.php
    Attempt to access profile.php directly via HTTP request without logging in or providing authentication credentials. Check if the page loads and processes the phone parameter.
    Affected if The profile.php endpoint is accessible without authentication and processes the phone parameter
  5. Check database connection configuration
    Review profile.php and associated configuration files to confirm the application connects to a database. Look for database connection strings, PDO/MySQLi initialization, or include files that establish database connections.
    Affected if The application connects to a database and the vulnerable profile.php handles user-supplied phone data

A user is affected if they have Code Projects Library System version 1.0 deployed with the profile.php file accessible and processing the phone parameter in SQL queries without 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.

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

Immediately implement parameterized queries (prepared statements) for all database operations in profile.php and validate/sanitize all user inputs. If immediate patching is not possible, consider temporarily disabling the affected functionality or implementing WAF rules as a compensating control.

Fix this in Library System Scoped from the published advisory
  • Consultation4.0 h
  • Implementation12.0 h
  • Testing6.0 h
  • Review / QA3.0 h
25.0 hours of engineering $4,400
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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-2025-6836 in production — separate from our analysis above.

No notes yet

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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