Unrestricted File Upload Vulnerability in itsourcecode Free Hotel Reservation System
CVE-2026-4875

5.1MEDIUM

Key Information:

Vendor

Itsourcecode

Status
Free Hotel Reservation System
Vendor
CVE Published:
26 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-4875?

A vulnerability has been identified in the itsourcecode Free Hotel Reservation System version 1.0 that allows for unrestricted file uploads. This occurs due to improper handling of the file input in the script located at /admin/mod_amenities/index.php?view=add. An attacker can exploit this flaw remotely by submitting malicious files, potentially leading to serious consequences such as unauthorized access to the system and execution of arbitrary code. Given the public disclosure of this exploit, immediate action is recommended to mitigate the risks.

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Affected Version(s)

Free Hotel Reservation 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-2026-4875 - Proof of Concept

References

https://vuldb.com/?id.353558
vdb-entrytechnical-description
https://vuldb.com/?ctiid.353558
signaturepermissions-required
https://vuldb.com/?submit.776245
third-party-advisory

CVSS V4

Score:
5.1
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

binyu (VulDB User)
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