CVE-2024-0504Public exploitNetwork attack vector

Script execution via unsanitized reservation names

Published Jan 13, 2024 · Updated Jun 3, 2025

Stored cross-site scripting in Code Projects Simple Online Hotel Reservation System 1.0 allows remote attackers to run script in a user's browser. add_reserve.php accepts Firstname and Lastname values containing script markup without neutralizing them for web-page output. A victim must view the affected reservation data; execution remains in the victim's browser context, enabling data access or page modification rather than service interruption.

CVSS severity6.1
Medium
EPSS probability0.56%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in Code Projects Simple Online Hotel Reservation System 1.0 allows remote attackers to run script in a user's browser. add_reserve.php accepts Firstname and Lastname values containing script markup without neutralizing them for web-page output. A victim must view the affected reservation data; execution remains in the victim's browser context, enabling data access or page modification rather than service interruption.

The record

CVE
CVE-2024-0504
Published
Jan 13, 2024
Updated
Jun 3, 2025
Vendor
Code Projects
Product
Simple Online Hotel Reservation System
Classifications
CWE-79, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 13, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 3, 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

4.0VulDBAV:N/AC:L/Au:S/C:N/I:P/A:N
6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.5VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

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-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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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