CVE-2023-49547Public exploitNetwork attack vector

Unauthenticated login bypass via username SQL injection

Published Mar 4, 2024 · Updated Aug 29, 2024

SQL injection in SourceCodester Customer Support System 1.0 allows remote attackers to bypass login or read database data via the username field. The login action at /customer_support/ajax.php passes the username parameter into its authentication query without neutralizing SQL operators. No authentication or user interaction is required; crafted Boolean or time-based expressions can assume a valid identity or extract stored data.

CVSS severity9.8
Critical
EPSS probability1.14%
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 Customer Support System 1.0 allows remote attackers to bypass login or read database data via the username field. The login action at /customer_support/ajax.php passes the username parameter into its authentication query without neutralizing SQL operators. No authentication or user interaction is required; crafted Boolean or time-based expressions can assume a valid identity or extract stored data.

The record

CVE
CVE-2023-49547
Published
Mar 4, 2024
Updated
Aug 29, 2024
Vendor
Online Computer and Laptop Store Project
Product
Customer Support System
Classifications
CWE-89, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 4, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 29, 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 privilegesunauthenticated

What is affected?

Online Computer and Laptop Store Project · Customer Support Systemversion=1.0

Published CVSS scores

9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

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

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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