CVE-2023-1737Network attack vector

Unauthenticated SQL injection via U_USERNAME

Published Mar 30, 2023 · Updated Feb 11, 2025

SQL injection in SourceCodester Young Entrepreneur E-Negosyo System 1.0 allows remote attackers to alter database queries via U_USERNAME. The login.php handler passes attacker-controlled U_USERNAME data into a database query without adequate neutralization. Reaching the login handler requires only network access, and successful injection changes the query executed by the application database.

CVSS severity9.8
Critical
EPSS probability0.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in SourceCodester Young Entrepreneur E-Negosyo System 1.0 allows remote attackers to alter database queries via U_USERNAME. The login.php handler passes attacker-controlled U_USERNAME data into a database query without adequate neutralization. Reaching the login handler requires only network access, and successful injection changes the query executed by the application database.

The record

CVE
CVE-2023-1737
Published
Mar 30, 2023
Updated
Feb 11, 2025
Vendor
Online Movie Ticket Booking System
Product
Young Entrepreneur E-Negosyo System
Classifications
CWE-89, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 30, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 11, 2025Record 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 privilegesunauthenticated

What is affected?

Online Movie Ticket Booking System · Young Entrepreneur E-Negosyo Systemversion=1.0

Published CVSS scores

7.3VulDB CNACVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5VulDB CNAAV:N/AC:L/Au:N/C:P/I:P/A:P
7.3VulDB CNACVSS:3.1/AV:N/AC:L/PR:N/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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