Is CVE-2026-5546 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-5546 being exploited in the wild.

How severe is CVE-2026-5546?

Medium severity, with a CVSS score of 6.3, published 5 April 2026.

Is there a fix for CVE-2026-5546?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-5546 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-5546?

Check whether you run Campcodes Complete Online Learning Management System at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-5546: Campcodes Online Learning Management System unrestricted upload in Crud_model

CVE-2026-5546 · Severity: medium · CVSS 6.3 · Published 2026-04-05

Campcodes Complete Online Learning Management System, a platform used for managing educational content and student lessons, contains a security flaw in its lesson creation feature. An attacker can exploit this to upload unauthorized files to the server. This could lead to a disruption of educational services, unauthorized access to system data, or a complete takeover of the web server hosting the platform.

Vendors: Campcodes.

Quick answers

Is CVE-2026-5546 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-5546 being exploited in the wild.
How severe is CVE-2026-5546?: Medium severity, with a CVSS score of 6.3, published 5 April 2026.
Which products and versions are affected?: Campcodes Complete Online Learning Management System 1.0.
Is there a fix for CVE-2026-5546?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-5546 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-5546?: Check whether you run Campcodes Complete Online Learning Management System at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An unrestricted file upload vulnerability exists in Campcodes Complete Online Learning Management System 1.0 within the add_lesson function of the /application/models/Crud_model.php component. The application fails to properly validate file extensions or content types during the lesson creation process. A remote attacker with low-level privileges (such as a teacher or instructor account) can exploit this flaw to upload malicious scripts, such as a PHP web shell, to the server. Successful exploitation allows for arbitrary code execution in the context of the web server. A public exploit has been reported for this vulnerability.

Affected products

Campcodes Complete Online Learning Management System 1.0

Timeline

2026-04-05: disclosed
2026-04-05: advisory

References

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