CVE-2026-82554Public exploitNetwork attack vector

Browser script execution via unneutralized customer names

Published Aug 30, 2026 · Updated Aug 30, 2026

Stored cross-site scripting in SourceCodester Queue Management System 1.0 allows remote attackers to inject browser-executed code via Name. The /api/add_customer.php endpoint accepts the Name value without neutralizing script-capable markup before placing it in web content. Submission requires no privileges, but execution requires another user to view the affected queue interface; the script can modify content in that browser context.

CVSS severityUnavailable
Unscored
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

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Summary

What happened

Stored cross-site scripting in SourceCodester Queue Management System 1.0 allows remote attackers to inject browser-executed code via Name. The /api/add_customer.php endpoint accepts the Name value without neutralizing script-capable markup before placing it in web content. Submission requires no privileges, but execution requires another user to view the affected queue interface; the script can modify content in that browser context.

The record

CVE
CVE-2026-82554
Published
Aug 30, 2026
Updated
Aug 30, 2026
Vendor
Online Computer and Laptop Store Project
Product
Queue Management System
Classifications
CWE-79, CWE-94, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 30, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 30, 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 privilegesunauthenticated

What is affected?

Online Computer and Laptop Store Project · Queue Management Systemversion=1.0

Published CVSS scores

5.3VulDB CNACVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
4.3VulDB CNACVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
4.3VulDB CNACVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
5.0VulDB CNAAV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

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-79Cross Site Scripting
CWE-94Code Injection
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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