CVE-2026-9377Public exploitNetwork attack vector

Stored XSS via unencoded product name

Published May 24, 2026 · Updated May 24, 2026

Stored cross-site scripting in SourceCodester SUP Online Shopping 1.0 allows remote authenticated users to execute scripts via a product name. The /admin/productedit.php endpoint stores productName input and renders it without sanitization or context-appropriate output encoding. Administrative access is required to store the value, and execution occurs only when another user opens a page that renders the affected name.

CVSS severity2.4
Low
EPSS probability0.20%
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 SUP Online Shopping 1.0 allows remote authenticated users to execute scripts via a product name. The /admin/productedit.php endpoint stores productName input and renders it without sanitization or context-appropriate output encoding. Administrative access is required to store the value, and execution occurs only when another user opens a page that renders the affected name.

The record

CVE
CVE-2026-9377
Published
May 24, 2026
Updated
May 24, 2026
Vendor
Online Computer and Laptop Store Project
Product
SUP Online Shopping
Classifications
CWE-79, T1056.003
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. May 24, 2026CVE publishedPublication date reported by the CVE source.
  2. May 24, 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 privilegesadmin

What is affected?

Online Computer and Laptop Store Project · SUP Online Shoppingversion=1.0

Published CVSS scores

3.3Positive Technologies dbugsAV:N/AC:L/Au:M/C:N/I:P/A:N
2.4Positive Technologies dbugsCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
1.9INCIBE-CERTCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1056.003Input Capture: Web Portal Capture

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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