CVE-2026-3819Public exploitNetwork attack vector

Stored script execution via unencoded reservation fields

Published Mar 9, 2026 · Updated Mar 9, 2026

Stored cross-site scripting in Resort Reservation System 1.0 allows remote authenticated users to run JavaScript in administrators' browsers. The reservation management page stores Fullname and Remarks values and renders them into HTML without contextual output encoding. A user able to add or edit a reservation can plant code that executes when another user, including an administrator, opens the reservation list or edit page.

CVSS severity5.4
Medium
EPSS probability0.26%
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 Resort Reservation System 1.0 allows remote authenticated users to run JavaScript in administrators' browsers. The reservation management page stores Fullname and Remarks values and renders them into HTML without contextual output encoding. A user able to add or edit a reservation can plant code that executes when another user, including an administrator, opens the reservation list or edit page.

The record

CVE
CVE-2026-3819
Published
Mar 9, 2026
Updated
Mar 9, 2026
Vendor
Online Computer and Laptop Store Project
Product
Resort Reservation System
Classifications
CWE-79, CWE-94, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 9, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 9, 2026Record 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 · Resort Reservation Systemversion=1.0

Published CVSS scores

6.5Ravi PipalwaCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
2.0VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
3.5VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
4.0VulDBAV:N/AC:L/Au:S/C:N/I:P/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 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')
CWE-94Improper Control of Generation of Code ('Code Injection')
T1059.007JavaScript/JScript

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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