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

Source: https://junglewise.ai/threats/cve-2026-5546-campcodes-online-learning-management-system-unrestricted-upload-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-05. Updated: 2026-07-24  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/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

- [https://github.com/whatyourname12345/CVE/tree/main/OLMS](https://github.com/whatyourname12345/CVE/tree/main/OLMS)
- [https://vuldb.com/submit/782291](https://vuldb.com/submit/782291)
- [https://vuldb.com/vuln/355310](https://vuldb.com/vuln/355310)
- [https://vuldb.com/vuln/355310/cti](https://vuldb.com/vuln/355310/cti)
- [https://www.campcodes.com/](https://www.campcodes.com/)