CVE-2025-22530Network attack vector

Stored script execution via insufficient output escaping

Published Jan 7, 2025 · Updated Apr 28, 2026

Stored cross-site scripting in PortOne Korea 아임포트 결제버튼 생성 플러그인 1.1.19 and earlier allows remote authenticated users to run scripts. Public advisories identify insufficient input sanitization and output escaping, but do not disclose the affected parameter, function, or storage path. Contributor-level access is required to store the payload, and another user must open the injected page for the script to execute in that user's browser.

CVSS severity6.5
Medium
EPSS probability0.35%
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 PortOne Korea 아임포트 결제버튼 생성 플러그인 1.1.19 and earlier allows remote authenticated users to run scripts. Public advisories identify insufficient input sanitization and output escaping, but do not disclose the affected parameter, function, or storage path. Contributor-level access is required to store the payload, and another user must open the injected page for the script to execute in that user's browser.

The record

CVE
CVE-2025-22530
Published
Jan 7, 2025
Updated
Apr 28, 2026
Vendor
PortOne Korea
Product
아임포트 결제버튼 생성 플러그인
Classifications
CWE-79, CAPEC-592, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 7, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 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=0 <=1.1.19

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

PortOne Korea · 아임포트 결제버튼 생성 플러그인version=0 <=1.1.19

Published CVSS scores

6.5PatchstackCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
6.4WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1203Exploitation for Client Execution

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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