CVE-2021-20825Network attack vector

Stored XSS via unescaped delivery address HTML

Published Sep 17, 2021 · Updated Aug 3, 2024

Stored XSS in shiro8 Co., Ltd. List (Order Management) Item Change Plug-in 1.1 and earlier allows remote attackers to run browser scripts. The order-list view renders delivery-address data as active HTML to preserve line breaks without neutralizing embedded script markup. Execution occurs when a user opens the administrative order page, placing that authenticated browser session's accessible data and actions at risk.

CVSS severity6.1
Medium
EPSS probability0.76%
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 shiro8 Co., Ltd. List (Order Management) Item Change Plug-in 1.1 and earlier allows remote attackers to run browser scripts. The order-list view renders delivery-address data as active HTML to preserve line breaks without neutralizing embedded script markup. Execution occurs when a user opens the administrative order page, placing that authenticated browser session's accessible data and actions at risk.

The record

CVE
CVE-2021-20825
Published
Sep 17, 2021
Updated
Aug 3, 2024
Vendor
shiro8 Co., Ltd.
Product
List (Order Management) Item Change Plug-in
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 17, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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=Ver.1.1 and earlier

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

shiro8 Co., Ltd. · List (Order Management) Item Change Plug-inversion=Ver.1.1 and earlier

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1JPCERT/CCCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3JPCERT/CCAV:N/AC:M/Au:N/C:N/I:P/A:N
4.3NIST NVDAV:N/AC:M/Au:N/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

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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