CVE-2023-1770Network attack vector

Authenticated SQL injection via unneutralized perc parameter

Published Mar 31, 2023 · Updated Aug 2, 2024

SQL injection in SourceCodester Grade Point Average (GPA) Calculator 1.0 allows remote authenticated users to alter database queries. The get_scale function in Master.php inserts the perc request parameter into an SQL statement without neutralizing SQL syntax. A low-privilege session is sufficient, and crafted perc values can read or modify SQLite data or interrupt database-backed operations.

CVSS severity9.8
Critical
EPSS probability0.74%
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 Grade Point Average (GPA) Calculator 1.0 allows remote authenticated users to alter database queries. The get_scale function in Master.php inserts the perc request parameter into an SQL statement without neutralizing SQL syntax. A low-privilege session is sufficient, and crafted perc values can read or modify SQLite data or interrupt database-backed operations.

The record

CVE
CVE-2023-1770
Published
Mar 31, 2023
Updated
Aug 2, 2024
Vendor
Online Movie Ticket Booking System
Product
Grade Point Average (GPA) Calculator
Classifications
CWE-89, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 31, 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?

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 Movie Ticket Booking System · Grade Point Average (GPA) Calculatorversion=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
6.3VulDBCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.5VulDBAV:N/AC:L/Au:S/C:P/I:P/A:P

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
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.

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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