EUVD-2026-64741
GHSA-m97g-v75h-3qvg
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
Unrestricted PHP webshell upload enables full RCE with scope change; PR:L assumed given admin_class context despite PR:N in provided CVSS 4.0.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
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
Lifecycle Timeline
3DescriptionCVE.org
A vulnerability was found in itsourcecode Payroll System 1.0. This affects the function save_settings of the file admin_class.php. The manipulation of the argument img results in unrestricted upload. The attack may be performed from remote. The exploit has been made public and could be used.
AnalysisAI
Unrestricted file upload in itsourcecode Payroll System 1.0 exposes the application to potential remote code execution through the save_settings function in admin_class.php, where the img parameter accepts files without validating type or content. The CVSS 4.0 vector indicates network-accessible exploitation with no privileges required (PR:N), meaning an attacker can submit a crafted multipart request to upload a PHP webshell directly. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The vulnerable code path is the save_settings function in admin_class.php, triggered via the img file upload parameter. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N) and the E:P exploitation tag (POC publicly available) paint a concerning picture: zero barriers to network exploitation, no user interaction required, and functional exploit code already public. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker sends a crafted HTTP multipart POST request to admin_class.php targeting the save_settings function, supplying a PHP webshell (e.g., <?php system($_GET['cmd']); ?>) as the img file parameter. If the server saves the file to a web-accessible directory without extension validation, the attacker issues a second GET request to the uploaded file's URL, passing OS commands via the query string. … |
| Remediation | No vendor-released patch has been identified at time of analysis - the itsourcecode.com site does not appear to have published a security advisory for this CVE. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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