CVE-2024-4820Network attack vector

Authenticated code execution via unrestricted PHP upload

Published May 13, 2024 · Updated Aug 1, 2024

Unrestricted file upload in SourceCodester Online Computer and Laptop Store 1.0 allows remote authenticated users to store executable PHP files. The update_settings action in /classes/SystemSettings.php accepts a settings-image upload without rejecting dangerous file types and stores it under the web application. Management-site authentication is required; an uploaded PHP web shell can execute commands with the web server's privileges.

CVSS severity5.3
Medium
EPSS probability1.09%
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 SourceCodester Online Computer and Laptop Store 1.0 allows remote authenticated users to store executable PHP files. The update_settings action in /classes/SystemSettings.php accepts a settings-image upload without rejecting dangerous file types and stores it under the web application. Management-site authentication is required; an uploaded PHP web shell can execute commands with the web server's privileges.

The record

CVE
CVE-2024-4820
Published
May 13, 2024
Updated
Aug 1, 2024
Vendor
Online Computer and Laptop Store Project
Product
Online Computer and Laptop Store
Classifications
CWE-434, T1505.003
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 13, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 2024Record 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 privilegesauthenticated

What is affected?

Online Computer and Laptop Store Project · Online Computer and Laptop Storeversion=1.0

Published CVSS scores

6.3VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.5VulDBAV:N/AC:L/Au:S/C:P/I:P/A:P
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
5.3VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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

Public exploit references

No public exploit references are available in this record.

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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