CVE-2023-3642Network attack vector

Stored script execution via unneutralized POST fields

Published Jul 12, 2023 · Updated Oct 22, 2024

Cross-site scripting in GZ Scripts Vacation Rental Website 1.8 allows remote attackers to execute script in a victim's browser. The HTTP POST handler for /VacationRentalWebsite/property/8/ad-has-principes/ places crafted username, title, or comment values into a rendered page without neutralizing browser-executable content. A victim must view the affected page for the injected content to execute in that browser context.

CVSS severity6.1
Medium
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in GZ Scripts Vacation Rental Website 1.8 allows remote attackers to execute script in a victim's browser. The HTTP POST handler for /VacationRentalWebsite/property/8/ad-has-principes/ places crafted username, title, or comment values into a rendered page without neutralizing browser-executable content. A victim must view the affected page for the injected content to execute in that browser context.

The record

CVE
CVE-2023-3642
Published
Jul 12, 2023
Updated
Oct 22, 2024
Vendor
GZ Scripts
Product
Vacation Rental Website
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 12, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 22, 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=1.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

GZ Scripts · Vacation Rental Websiteversion=1.8

Published CVSS scores

4.3VulDBCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
5.0VulDBAV:N/AC:L/Au:N/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
4.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/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.

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 exploitUnconfirmed

Weakness, pattern, technique

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

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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