CVE-2023-45116Network attack vector

Authenticated SQL injection via unfiltered demail

Published Dec 21, 2023 · Updated May 19, 2025

SQL injection in Online Examination System 1.0 allows remote authenticated users to alter database data via the /update.php demail parameter. The endpoint accepts demail input without validating or filtering characters before sending it to database queries. An authenticated account is required, and crafted requests can read or modify examination records and interrupt database-backed service.

CVSS severity8.8
High
EPSS probability0.67%
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 Examination System 1.0 allows remote authenticated users to alter database data via the /update.php demail parameter. The endpoint accepts demail input without validating or filtering characters before sending it to database queries. An authenticated account is required, and crafted requests can read or modify examination records and interrupt database-backed service.

The record

CVE
CVE-2023-45116
Published
Dec 21, 2023
Updated
May 19, 2025
Vendor
Project Worlds
Product
Online Examination System
Classifications
CWE-89, CAPEC-66, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 21, 2023CVE publishedPublication date reported by the CVE source.
  2. May 19, 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 privilegesauthenticated

What is affected?

Project Worlds · Online Examination Systemversion=1.0
Projectworlds Pvt. Limited · Online Examination Systemversion=1.0

Published CVSS scores

8.8Fluid AttacksCVSS:3.1/AV:N/AC:L/PR:L/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.

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

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

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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