CVE-2025-6905
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 · uneditedA vulnerability, which was classified as critical, has been found in code-projects Car Rental System 1.0. This issue affects some unknown processing of the file /signup.php. The manipulation of the argument fname leads to sql injection. The attack may be initiated 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 confidenceSQL injection vulnerability in the Car Rental System 1.0 signup.php file where the 'fname' parameter is not properly sanitized, allowing attackers to inject malicious SQL queries. This critical vulnerability (CVSS 9.8) can be exploited remotely and may lead to complete database compromise, including unauthorized data access, modification, or potentially remote code execution depending on database configuration.
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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Identify the installed Car Rental System versionLocate and examine any version files, README files, or admin panels that indicate the software version. Check the application root directory for version identifiers.Affected if The installed version is Anisha Car Rental System 1.0
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Locate the signup.php fileSearch for signup.php in the web application directory structure, typically found in the root or user registration directories.Affected if The signup.php file exists in the application
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Examine the fname parameter handling in signup.phpOpen signup.php and search for code handling the 'fname' parameter. Look for SQL query construction that uses this parameter without prepared statements, parameterized queries, or input sanitization functions.Affected if The fname parameter is used in SQL queries without prepared statements or proper escaping
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Verify user registration functionality is enabledCheck if the signup/registration feature is accessible and not disabled. This may involve checking application settings, .htaccess rules, or if the signup.php is publicly accessible.Affected if The signup functionality is accessible to users
A system is affected if it runs Anisha Car Rental System version 1.0 and contains the vulnerable signup.php file with unsanitized fname parameter handling in SQL queries.
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 dataImplement immediate parameterized queries/prepared statements for all database operations in signup.php to sanitize the fname parameter and all user inputs. Conduct a comprehensive code review to identify and remediate similar SQL injection vulnerabilities throughout the application.
- Consultation3.0 h
- Implementation8.0 h
- Testing5.0 h
- Review / QA3.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2025-6905 — 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-2025-6905 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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- 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
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