CVE-2021-30171Network attack vector

Stored script execution via unfiltered news fields

Published May 7, 2021 · Updated Sep 17, 2024

Stored XSS in Jun-He Technology Ltd. ERP POS 2013.10 allows remote authenticated users to inject JavaScript through crafted news posts. The news-posting page accepts special characters in specific fields without filtering them before rendering the stored input. A standard account can store the payload, and execution requires another user to view the affected content; the script can access and alter customer information.

CVSS severity5.4
Medium
EPSS probability0.59%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Jun-He Technology Ltd. ERP POS 2013.10 allows remote authenticated users to inject JavaScript through crafted news posts. The news-posting page accepts special characters in specific fields without filtering them before rendering the stored input. A standard account can store the payload, and execution requires another user to view the affected content; the script can access and alter customer information.

The record

CVE
CVE-2021-30171
Published
May 7, 2021
Updated
Sep 17, 2024
Vendor
Jun-He Technology Ltd.
Product
ERP POS
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 7, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 2024Record 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=2013.10

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Jun-He Technology Ltd. · ERP POSversion=2013.10

Published CVSS scores

4.6TWCERT/CCCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/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 exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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