CVE-2026-13570Public exploitNetwork attack vector

Browser content modification via unneutralized registration name

Published Jun 29, 2026 · Updated Jun 29, 2026

Stored cross-site scripting in SourceCodester Inventory Management System in PHP 1.0 allows remote authenticated users to alter rendered content. /api/users_handler.php accepts the full_name registration value without neutralizing script-capable markup before it reaches a web page. A low-privileged remote user must submit the payload and another user must render the affected content; the script then executes in that user's page context and alters displayed content.

CVSS severity5.1
Medium
EPSS probability0.33%
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 SourceCodester Inventory Management System in PHP 1.0 allows remote authenticated users to alter rendered content. /api/users_handler.php accepts the full_name registration value without neutralizing script-capable markup before it reaches a web page. A low-privileged remote user must submit the payload and another user must render the affected content; the script then executes in that user's page context and alters displayed content.

The record

CVE
CVE-2026-13570
Published
Jun 29, 2026
Updated
Jun 29, 2026
Vendor
Online Computer and Laptop Store Project
Product
Inventory Management System in PHP
Classifications
CWE-74, CWE-79, CWE-94, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 29, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 29, 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 · Inventory Management System in PHPversion=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
5.1VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA: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-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-94Improper Control of Generation of Code ('Code Injection')
T1203Exploitation for Client Execution

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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