EUVD-2026-40064
GHSA-p72c-jx3c-j3vr
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Unauthenticated network access, no complexity; PHP webshell upload yields full RCE with scope change across server resources.
Primary rating from Vendor (vuldb).
CVSS VectorVendor: vuldb
Lifecycle Timeline
1DescriptionCVE.org
A flaw has been found in itsourcecode Online Hotel Management System 1.0. Affected is an unknown function of the file /admin/mod_amenities/controller.php?action=add. Executing a manipulation of the argument image can lead to unrestricted upload. It is possible to launch the attack remotely. The exploit has been published and may be used.
AnalysisAI
Unrestricted file upload in itsourcecode Online Hotel Management System 1.0 allows remote attackers to upload arbitrary files - including PHP webshells - via the image parameter of /admin/mod_amenities/controller.php?action=add. The CVSS 4.0 vector assigns PR:N (no privileges required), corroborated by the 'Authentication Bypass' tag, indicating the admin-facing endpoint is reachable without credentials. A published proof-of-concept exploit exists; no patch has been identified at time of analysis.
Technical ContextAI
The affected application is a PHP-based hotel management system distributed by itsourcecode, a platform providing open-source demo applications primarily for educational use. The vulnerable endpoint /admin/mod_amenities/controller.php?action=add handles amenity image uploads but fails to restrict file types or validate MIME content, enabling upload of executable PHP files. The root cause is classified as CWE-284 (Improper Access Control), which encompasses both the missing file-type enforcement and the access control failure that allows unauthenticated actors to reach the admin controller. Unrestricted upload in a PHP environment is particularly dangerous because the uploaded file can be served by the web server and executed as server-side code, enabling remote code execution. The CPE is not formally specified in the input, but the affected component is itsourcecode Online Hotel Management System version 1.0.
RemediationAI
No vendor-released patch has been identified at time of analysis. Because itsourcecode distributes this application as open educational source code, a formal patch release is unlikely. Operators running this application in production should take the following compensating controls: first, restrict access to the /admin/ directory at the web server or firewall level to trusted IP addresses only, which directly removes the unauthenticated network attack surface. Second, configure the web server (Apache/nginx) to deny execution of scripts in the upload directory by disabling PHP interpretation in that path - this prevents a successfully uploaded file from being executed as code. Third, implement file-type validation server-side (allowlist of image MIME types and extensions) if the codebase is to be modified. Given the educational nature of the software, operators should strongly evaluate whether production deployment is appropriate at all. Reference: https://github.com/Hh-176/CVE/issues/4 for researcher findings.
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Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
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