Unrestricted Upload Vulnerability in SourceCodester Online Examination & Learning Management System
CVE-2026-14777

5.3MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Onlne Examination & Learning Management System
Vendor
CVE Published:
5 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-14777?

A vulnerability exists in the announcements.php file of the SourceCodester Online Examination & Learning Management System, where improper validation allows for unrestricted file uploads. This flaw can be exploited remotely, enabling attackers to upload malicious files, potentially leading to further exploitation of the affected system. The vulnerability poses serious security risks, and there are public exploit methods available, highlighting the urgency to secure the affected systems.

Affected Version(s)

Onlne Examination & Learning Management System 1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-14777 - Proof of Concept

References

https://vuldb.com/vuln/376367
vdb-entry
https://vuldb.com/vuln/376367/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-14777
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Fklov (VulDB User)
.