CVE-2026-4574
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 was detected in SourceCodester Simple E-learning System 1.0. This vulnerability affects unknown code of the component User Profile Update Handler. The manipulation of the argument firstName results in sql injection. It is possible to launch the attack remotely. The exploit is now 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 · moderate confidenceA SQL injection vulnerability exists in the User Profile Update Handler of SourceCodester Simple E-learning System 1.0. The firstName parameter is not properly sanitized before being used in SQL queries, allowing an attacker to inject malicious SQL statements. This can be exploited remotely with authenticated or potentially unauthenticated access to manipulate database queries.
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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:L/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 checksWork through these to decide whether this CVE applies to you.
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Confirm the application is SourceCodester Simple E-learning SystemIdentify the installed application by checking the application name in the web root, footer, or title page. Look for files or directories named 'Simple E-learning System' or check README files.Affected if The installed application is SourceCodester Simple E-learning System version 1.0 or an unpatched version.
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Verify the version is vulnerableLocate the version identifier in the application. Check for a version file, README, or the application header/footer for version strings. Compare against the known affected version 1.0.Affected if The installed version is exactly 1.0 or falls within any unpatched version range.
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Locate the User Profile Update HandlerSearch the application source code for files handling profile updates. Look for functions or scripts named 'profile', 'update', 'user', or 'handler'. Common paths may include /users/, /profile/, or /admin/ directories.Affected if The application contains a User Profile Update Handler that processes the firstName parameter.
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Inspect how firstName is used in SQL queriesOpen the profile update handler file and search for SQL queries that include the 'firstName' parameter. Check if the parameter is directly concatenated into the query string or if it goes through any sanitization function.Affected if The firstName parameter is directly inserted into SQL queries without parameterized queries, prepared statements, or proper escaping.
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Test the parameter if possibleIf you have access to the application, navigate to the profile update page and attempt to update the first name with a test SQL payload such as "test' OR '1'='1". Observe if unexpected behavior or database errors occur.Affected if The application reflects the SQL payload in database errors or returns unexpected data based on the injected payload.
The environment is affected if SourceCodester Simple E-learning System version 1.0 is installed and the User Profile Update Handler processes the firstName parameter directly in SQL queries without parameterized statements.
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 parameterized queries or prepared statements for all database operations involving user input. Apply input validation and escaping, and apply any vendor security patches if available.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2026-4574 — 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-2026-4574 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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- Version or environment caveats, and links to real fixes
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