CVE-2023-43739Public exploitNetwork attack vector

Arbitrary SQL execution via unfiltered bookisbn parameter

Published Sep 28, 2023 · Updated Sep 23, 2024

SQL injection in Online Book Store Project 1.0 allows remote attackers to execute arbitrary SQL through the cart.php bookisbn parameter. The cart.php resource accepts bookisbn characters without validation and passes them unfiltered into a database query. No authentication or user interaction is required, and successful injection can read, modify, or delete application database records.

CVSS severity9.8
Critical
EPSS probability0.80%
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 Online Book Store Project 1.0 allows remote attackers to execute arbitrary SQL through the cart.php bookisbn parameter. The cart.php resource accepts bookisbn characters without validation and passes them unfiltered into a database query. No authentication or user interaction is required, and successful injection can read, modify, or delete application database records.

The record

CVE
CVE-2023-43739
Published
Sep 28, 2023
Updated
Sep 23, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-89, CAPEC-66, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 28, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 23, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8Fluid AttacksCVSS: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 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 exploitPublished

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CAPEC-66SQL 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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