CVE-2024-3357Public exploitNetwork attack vector

Script execution via unencoded report end parameter

Published Apr 5, 2024 · Updated Aug 1, 2024

Reflected XSS in SourceCodester Aplaya Beach Resort Online Reservation System 1.0 allows remote authenticated users to execute browser script. The report response reflects the POST end value into generated HTML without neutralizing markup, causing the browser to interpret script syntax. An authenticated administrative session and form submission are required; execution remains in the browser context that renders the crafted response.

CVSS severity5.4
Medium
EPSS probability0.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in SourceCodester Aplaya Beach Resort Online Reservation System 1.0 allows remote authenticated users to execute browser script. The report response reflects the POST end value into generated HTML without neutralizing markup, causing the browser to interpret script syntax. An authenticated administrative session and form submission are required; execution remains in the browser context that renders the crafted response.

The record

CVE
CVE-2024-3357
Published
Apr 5, 2024
Updated
Aug 1, 2024
Vendor
Online Computer and Laptop Store Project
Product
Aplaya Beach Resort Online Reservation System
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 5, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 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 Computer and Laptop Store Project · Aplaya Beach Resort Online Reservation Systemversion=1.0

Published CVSS scores

4.0VulDBAV:N/AC:L/Au:S/C:N/I:P/A:N
3.5VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/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.

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 exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

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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