CVE-2023-1559Public exploitNetwork attack vector

Authenticated code execution via unrestricted PHP upload

Published Mar 22, 2023 · Updated Aug 2, 2024

Unrestricted file upload in SourceCodester Storage Unit Rental Management System 1.0 allows remote authenticated users to execute PHP code. The Users.php save action accepts the img multipart field without restricting its filename extension or content, then places it where the web server executes uploaded PHP. Access requires an authenticated administrator session; a crafted PHP upload then runs with the web server account's privileges.

CVSS severity4.7
Medium
EPSS probability0.91%
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 Storage Unit Rental Management System 1.0 allows remote authenticated users to execute PHP code. The Users.php save action accepts the img multipart field without restricting its filename extension or content, then places it where the web server executes uploaded PHP. Access requires an authenticated administrator session; a crafted PHP upload then runs with the web server account's privileges.

The record

CVE
CVE-2023-1559
Published
Mar 22, 2023
Updated
Aug 2, 2024
Vendor
Online Movie Ticket Booking System
Product
Storage Unit Rental Management System
Classifications
CWE-434, T1505.003
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 22, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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?

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  1. Affected versionversion=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Online Movie Ticket Booking System · Storage Unit Rental Management Systemversion=1.0

Published CVSS scores

4.7VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
5.8VulDBAV:N/AC:L/Au:M/C:P/I:P/A:P
7.2NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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.

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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-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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