CVE-2026-8221Public exploitNetwork attack vector

Browser script execution via unsanitized inventory data

Published May 10, 2026 · Updated May 10, 2026

Stored cross-site scripting in Devs Palace ERP Online 4.0 allows remote authenticated users to inject scripts through /inventory/item-save. The inventory item save handler accepts user-supplied data without neutralizing it before that data is rendered in a browser. Administrative privileges and another user's interaction are required; successful exploitation executes attacker-supplied script in that user's browser context.

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 Devs Palace ERP Online 4.0 allows remote authenticated users to inject scripts through /inventory/item-save. The inventory item save handler accepts user-supplied data without neutralizing it before that data is rendered in a browser. Administrative privileges and another user's interaction are required; successful exploitation executes attacker-supplied script in that user's browser context.

The record

CVE
CVE-2026-8221
Published
May 10, 2026
Updated
May 10, 2026
Vendor
Devs Palace
Product
ERP Online
Classifications
CWE-79, CWE-94, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. May 10, 2026CVE publishedPublication date reported by the CVE source.
  2. May 10, 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=4.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Devs Palace · ERP Onlineversion=4.0

Published CVSS scores

3.3VulDBAV:N/AC:L/Au:M/C:N/I:P/A:N
1.9VulDBCVSS: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
2.4VulDBCVSS:3.1/AV:N/AC:L/PR:H/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 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')
CWE-94Improper Control of Generation of Code ('Code Injection')
T1059.007Command and Scripting Interpreter: JavaScript/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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