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Vulnerability Analysis•

CVE-2024-0735: Medium SQL Injection in Online Tours and Travels System

CVE-2024-0735 is a medium SQL injection in SourceCodester Online Tours and Travels Management System 1.0 via expense.php. No fix is confirmed.

Safeguard Security Team
3 min read

CVE-2024-0735 is a medium severity flaw in SourceCodester Online Tours and Travels Management System 1.0, scored 6.3 by NVD. No fixed version is confirmed in the sources I could check, so limit who can reach it, watch for a vendor release, and plan an upgrade or replacement.

What's affected

The record lists SourceCodester Online Tours and Travels Management System 1.0 as affected. The record says the exec function of admin/operations/expense.php leads to SQL injection and that the attack may be launched remotely. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L. The weakness is CWE-89.

The record's description is short and does not name a fixed release. The linked pages are public write-ups of the issue, not a vendor patch notice.

How to check if you're exposed

Look for the application on your web servers by name or by the admin/operations/expense.php path. Check whether the admin area is exposed to the internet and review logs for odd requests to that file.

If the product reached you inside another package, run the free in-browser dependency scan at gold.safeguard.sh/scan against your manifests to see whether it appears. For standalone software, the inventory is the check: find where it is installed, which version it is, and whether the service is reachable from outside the machine.

What to do now

  1. Find every installation of the product and note its version.
  2. Check the vendor site and project repository for a newer release, and read its notes before upgrading. Do not assume a later version is fixed without a statement that says so.
  3. Restrict network access to the service with firewall rules so only trusted hosts can reach it.
  4. Watch logs for repeated odd requests or unexpected crashes aimed at the affected component.
  5. If the software looks unmaintained, plan to replace it, and record the risk decision in the meantime.

Why it matters

SQL injection happens when user supplied text is placed into a database query without being kept separate from the query structure. The record names the vulnerable parameter and file, and the CWE-89 tag confirms the class. The usual cure is prepared statements with bound parameters, plus least privilege database accounts so that a flaw exposes less.

The score is medium because the record rates impact as low across confidentiality, integrity and availability, and in some cases a login is required. That is a floor, not a ceiling: what an injection can read or change depends on the database account the application uses and the data behind it. Small PHP applications often connect as a powerful database user, which makes a flaw worth more than the score suggests.

SourceCodester projects are sample applications shared for learning. They often lack the input handling a production system needs, so a production deployment should be reviewed or avoided.

The record notes that an exploit has been disclosed publicly. That is not the same as confirmed attacks, and the record does not flag this CVE in the CISA Known Exploited Vulnerabilities list. Public detail still lowers the effort for someone to try it, which is a reason to reduce exposure early.

Quick check

Is this meant for production?

Sample applications of this kind usually are not. Treat any deployment as high risk.

Is there a fix?

None is confirmed.

Sources

Last reviewed: 19 October 2026.

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