CVE-2025-6421Public exploitNetwork attack vector

Unauthenticated database access via unescaped name parameter

Published Jun 21, 2025 · Updated Jun 23, 2025

SQL injection in Code Projects Simple Online Hotel Reservation System 1.0 allows remote attackers to access its database via a crafted name value. The /admin/add_account.php handler inserts the POST name parameter directly into an SQL query without validation, escaping, or parameter binding. No login or authorization is required; a time-based blind payload can alter query execution, enabling database reads or writes within the application's database privileges.

CVSS severity9.8
Critical
EPSS probability0.51%
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 Code Projects Simple Online Hotel Reservation System 1.0 allows remote attackers to access its database via a crafted name value. The /admin/add_account.php handler inserts the POST name parameter directly into an SQL query without validation, escaping, or parameter binding. No login or authorization is required; a time-based blind payload can alter query execution, enabling database reads or writes within the application's database privileges.

The record

CVE
CVE-2025-6421
Published
Jun 21, 2025
Updated
Jun 23, 2025
Vendor
Code Projects
Product
Simple Online Hotel Reservation System
Classifications
CWE-89, CWE-74, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 21, 2025CVE publishedPublication date reported by the CVE source.
  2. Jun 23, 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?

Code Projects · Simple Online Hotel Reservation Systemversion=1.0

Published CVSS scores

9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5VulDBAV:N/AC:L/Au:N/C:P/I:P/A:P
7.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
5.5VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E: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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('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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