CVE-2026-4875Public exploitNetwork attack vector

Authenticated code execution via unvalidated amenities image upload

Published Mar 26, 2026 · Updated Mar 26, 2026

Unrestricted file upload in Free Hotel Reservation System 1.0 allows remote authenticated users to execute PHP code through an amenities image. The amenities controller accepts the image multipart field without validating its filename extension or content and stores it at a web-accessible path. Administrative access is required; a PHP web shell uploaded with an image content type executes commands under the web server account.

CVSS severity4.7
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in Free Hotel Reservation System 1.0 allows remote authenticated users to execute PHP code through an amenities image. The amenities controller accepts the image multipart field without validating its filename extension or content and stores it at a web-accessible path. Administrative access is required; a PHP web shell uploaded with an image content type executes commands under the web server account.

The record

CVE
CVE-2026-4875
Published
Mar 26, 2026
Updated
Mar 26, 2026
Vendor
itsourcecode.com
Product
Free Hotel Reservation System
Classifications
CWE-284, CWE-434, T1505.003
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 26, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

itsourcecode.com · Free Hotel Reservation Systemversion=1.0

Published CVSS scores

2.0VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
5.8VulDBAV:N/AC:L/Au:M/C:P/I:P/A:P
4.7VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-284Improper Access Control
CWE-434Unrestricted Upload of File with Dangerous Type
T1505.003Server Software Component: Web Shell

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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