The SentinelOne Annual Threat Report - A Defenders Guide from the FrontlinesThe SentinelOne Annual Threat ReportGet the Report
Experiencing a Breach?Blog
Get StartedContact Us
SentinelOne
  • Platform
    Platform Overview
    • Singularity Platform
      Welcome to Integrated Enterprise Security
    • AI for Security
      Leading the Way in AI-Powered Security Solutions
    • Securing AI
      Accelerate AI Adoption with Secure AI Tools, Apps, and Agents.
    • How It Works
      The Singularity XDR Difference
    • Singularity Marketplace
      One-Click Integrations to Unlock the Power of XDR
    • Pricing & Packaging
      Comparisons and Guidance at a Glance
    Data & AI
    • Purple AI
      Accelerate SecOps with Generative AI
    • Singularity Hyperautomation
      Easily Automate Security Processes
    • AI-SIEM
      The AI SIEM for the Autonomous SOC
    • AI Data Pipelines
      Security Data Pipeline for AI SIEM and Data Optimization
    • Singularity Data Lake
      AI-Powered, Unified Data Lake
    • Singularity Data Lake for Log Analytics
      Seamlessly Ingest Data from On-Prem, Cloud or Hybrid Environments
    Endpoint Security
    • Singularity Endpoint
      Autonomous Prevention, Detection, and Response
    • Singularity XDR
      Native & Open Protection, Detection, and Response
    • Singularity RemoteOps Forensics
      Orchestrate Forensics at Scale
    • Singularity Threat Intelligence
      Comprehensive Adversary Intelligence
    • Singularity Vulnerability Management
      Application & OS Vulnerability Management
    • Singularity Identity
      Identity Threat Detection and Response
    Cloud Security
    • Singularity Cloud Security
      Block Attacks with an AI-Powered CNAPP
    • Singularity Cloud Native Security
      Secure Cloud and Development Resources
    • Singularity Cloud Workload Security
      Real-Time Cloud Workload Protection Platform
    • Singularity Cloud Data Security
      AI-Powered Threat Detection for Cloud Storage
    • Singularity Cloud Security Posture Management
      Detect and Remediate Cloud Misconfigurations
    Securing AI
    • Prompt Security
      Secure AI Tools Across Your Enterprise
  • Why SentinelOne?
    Why SentinelOne?
    • Why SentinelOne?
      Cybersecurity Built for What’s Next
    • Our Customers
      Trusted by the World’s Leading Enterprises
    • Industry Recognition
      Tested and Proven by the Experts
    • About Us
      The Industry Leader in Autonomous Cybersecurity
    Compare SentinelOne
    • Arctic Wolf
    • Broadcom
    • CrowdStrike
    • Cybereason
    • Microsoft
    • Palo Alto Networks
    • Sophos
    • Splunk
    • Trellix
    • Trend Micro
    • Wiz
    Verticals
    • Energy
    • Federal Government
    • Finance
    • Healthcare
    • Higher Education
    • K-12 Education
    • Manufacturing
    • Retail
    • State and Local Government
  • Services
    Managed Services
    • Managed Services Overview
      Wayfinder Threat Detection & Response
    • Threat Hunting
      World-Class Expertise and Threat Intelligence
    • Managed Detection & Response
      24/7/365 Expert MDR Across Your Entire Environment
    • Incident Readiness & Response
      DFIR, Breach Readiness, & Compromise Assessments
    Support, Deployment, & Health
    • Technical Account Management
      Customer Success with Personalized Service
    • SentinelOne GO
      Guided Onboarding & Deployment Advisory
    • SentinelOne University
      Live and On-Demand Training
    • Services Overview
      Comprehensive Solutions for Seamless Security Operations
    • SentinelOne Community
      Community Login
  • Partners
    Our Network
    • MSSP Partners
      Succeed Faster with SentinelOne
    • Singularity Marketplace
      Extend the Power of S1 Technology
    • Cyber Risk Partners
      Enlist Pro Response and Advisory Teams
    • Technology Alliances
      Integrated, Enterprise-Scale Solutions
    • SentinelOne for AWS
      Hosted in AWS Regions Around the World
    • Channel Partners
      Deliver the Right Solutions, Together
    • SentinelOne for Google Cloud
      Unified, Autonomous Security Giving Defenders the Advantage at Global Scale
    • Partner Locator
      Your Go-to Source for Our Top Partners in Your Region
    Partner Portal→
  • Resources
    Resource Center
    • Case Studies
    • Data Sheets
    • eBooks
    • Reports
    • Videos
    • Webinars
    • Whitepapers
    • Events
    View All Resources→
    Blog
    • Feature Spotlight
    • For CISO/CIO
    • From the Front Lines
    • Identity
    • Cloud
    • macOS
    • SentinelOne Blog
    Blog→
    Tech Resources
    • SentinelLABS
    • Ransomware Anthology
    • Cybersecurity 101
  • About
    About SentinelOne
    • About SentinelOne
      The Industry Leader in Cybersecurity
    • Investor Relations
      Financial Information & Events
    • SentinelLABS
      Threat Research for the Modern Threat Hunter
    • Careers
      The Latest Job Opportunities
    • Press & News
      Company Announcements
    • Cybersecurity Blog
      The Latest Cybersecurity Threats, News, & More
    • FAQ
      Get Answers to Our Most Frequently Asked Questions
    • DataSet
      The Live Data Platform
    • S Foundation
      Securing a Safer Future for All
    • S Ventures
      Investing in the Next Generation of Security, Data and AI
  • Pricing
Get StartedContact Us
CVE Vulnerability Database
Vulnerability Database/CVE-2025-24609

CVE-2025-24609: PORTONE WooCommerce Plugin XSS Vulnerability

CVE-2025-24609 is a reflected cross-site scripting flaw in PORTONE WooCommerce payment plugin affecting versions up to 3.2.4. Attackers can inject malicious scripts through improper input validation. This post covers technical details, affected versions, security impact, and mitigation strategies.

Updated: May 15, 2026

CVE-2025-24609 Overview

CVE-2025-24609 is a reflected Cross-Site Scripting (XSS) vulnerability in the PORTONE iamport-for-woocommerce WordPress plugin (PORTONE 우커머스 결제). The flaw stems from improper neutralization of user-supplied input during web page generation [CWE-79]. Affected versions include all releases up to and including 3.2.4. An unauthenticated attacker can craft a malicious URL that, when clicked by a victim, executes arbitrary JavaScript in the victim's browser session. The vulnerability carries a CVSS 3.1 base score of 7.1 with a scope change, indicating impact beyond the vulnerable component.

Critical Impact

Successful exploitation allows attackers to execute arbitrary JavaScript in a victim's browser, potentially leading to session hijacking, credential theft, or unauthorized actions on the WooCommerce storefront.

Affected Products

  • PORTONE iamport-for-woocommerce WordPress plugin versions up to and including 3.2.4
  • WooCommerce storefronts integrating the PORTONE Korean payment gateway
  • WordPress sites running the vulnerable plugin in any locale

Discovery Timeline

  • 2025-01-31 - CVE-2025-24609 published to NVD
  • 2026-04-23 - Last updated in NVD database

Technical Details for CVE-2025-24609

Vulnerability Analysis

The vulnerability is a reflected XSS issue [CWE-79] in the PORTONE WooCommerce payment plugin. The plugin fails to properly sanitize or encode user-controlled input before reflecting it back in HTTP responses. An attacker crafts a URL containing JavaScript payload parameters and delivers it to a victim through phishing, malicious links, or compromised referrers. When the victim's browser loads the response, the injected script executes within the trusted origin of the WordPress site.

The scope change component of the CVSS vector indicates the vulnerability can affect resources beyond the vulnerable plugin itself, including the broader WordPress session and any authenticated state held by the victim. User interaction is required, typically a click on the attacker's crafted URL. The EPSS score of 0.178% places it in the 38.95 percentile for exploitation likelihood.

Root Cause

The plugin does not apply context-appropriate output encoding to request parameters before embedding them in HTML responses. WordPress provides sanitization helpers such as esc_html(), esc_attr(), and esc_url(), but the affected code paths reflect input directly into the rendered page. This pattern allows HTML and JavaScript markup supplied via query parameters to be interpreted as code rather than data.

Attack Vector

The attack is delivered over the network and requires no authentication. The attacker constructs a URL pointing to a vulnerable endpoint of the WordPress site, embedding JavaScript in a reflected parameter. The victim must click the link or visit a page that triggers the request. Once the response renders, the payload executes with the privileges of the victim's session, enabling theft of authentication cookies, CSRF token extraction, defacement, or redirection to attacker-controlled infrastructure. Administrator-targeted attacks can lead to plugin or theme installation and full site compromise.

Detailed technical analysis is published in the Patchstack WordPress Vulnerability Report.

Detection Methods for CVE-2025-24609

Indicators of Compromise

  • Inbound HTTP requests to iamport-for-woocommerce endpoints containing URL-encoded <script>, onerror=, onload=, or javascript: tokens
  • Referer headers pointing to external phishing domains immediately preceding requests to plugin endpoints
  • Outbound requests from administrator browsers to unfamiliar domains shortly after visiting plugin URLs
  • Unexpected WordPress administrator account creation or plugin installation events following suspicious URL clicks

Detection Strategies

  • Inspect web server access logs for query strings containing HTML or JavaScript syntax targeting plugin endpoints
  • Deploy a Web Application Firewall (WAF) rule set that flags reflected XSS payload patterns against WordPress request paths
  • Correlate browser-side Content Security Policy (CSP) violation reports with server-side request logs
  • Hunt for anomalous session activity, such as logins from new geographies immediately after the click of a crafted URL

Monitoring Recommendations

  • Forward WordPress, WAF, and reverse proxy logs into a centralized analytics platform such as Singularity Data Lake for correlation and retention
  • Enable real-time alerting on requests containing high-confidence XSS signatures targeting plugin paths
  • Monitor administrator accounts for privilege changes, new plugin installs, and outbound connections to untrusted hosts

How to Mitigate CVE-2025-24609

Immediate Actions Required

  • Identify all WordPress sites running the PORTONE iamport-for-woocommerce plugin at version 3.2.4 or earlier
  • Update the plugin to a patched release published after version 3.2.4 as soon as one is available from PORTONE
  • Force a password reset and session invalidation for WordPress administrators if exploitation is suspected
  • Review WooCommerce order and admin audit logs for unauthorized changes during the exposure window

Patch Information

PORTONE has been notified through the Patchstack coordinated disclosure process. Site operators should consult the Patchstack advisory for the current fixed version and apply the update through the WordPress plugin dashboard or wp-cli.

Workarounds

  • Deactivate the iamport-for-woocommerce plugin until a patched version is installed if the payment integration is not actively in use
  • Enforce a strict Content Security Policy that disallows inline scripts and restricts script sources to trusted origins
  • Place the WordPress site behind a WAF with managed rules that block reflected XSS payloads targeting WordPress plugins
  • Require administrators to use a separate browser profile and avoid clicking unsolicited links pointing to the WooCommerce host
bash
# Example: deactivate the vulnerable plugin via wp-cli until patched
wp plugin deactivate iamport-for-woocommerce

# Example: minimal CSP header to mitigate reflected XSS impact (Apache)
Header set Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none'; base-uri 'self'; frame-ancestors 'self'"

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

  • Vulnerability Details
  • TypeXSS

  • Vendor/TechPortone

  • SeverityHIGH

  • CVSS Score7.1

  • EPSS Probability0.18%

  • Known ExploitedNo
  • CVSS Vector
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
  • Impact Assessment
  • ConfidentialityLow
  • IntegrityLow
  • AvailabilityLow
  • CWE References
  • CWE-79
  • Technical References
  • Patchstack WordPress Vulnerability Report
  • Latest CVEs
  • CVE-2026-43328: Linux Kernel Use-After-Free Vulnerability

  • CVE-2026-43329: Linux Kernel Netfilter DoS Vulnerability

  • CVE-2026-43330: Linux Kernel Buffer Overflow Vulnerability

  • CVE-2026-43331: Linux Kernel DOS Vulnerability
Default Legacy - Prefooter | Experience the World’s Most Advanced Cybersecurity Platform

Experience the Most Advanced Cybersecurity Platform

See how the world’s most intelligent, autonomous cybersecurity platform can protect your organization today and into the future.

Try SentinelOne
  • Get Started
  • Get a Demo
  • Product Tour
  • Why SentinelOne
  • Pricing & Packaging
  • FAQ
  • Contact
  • Contact Us
  • Customer Support
  • SentinelOne Status
  • Language
  • Platform
  • Singularity Platform
  • Singularity Endpoint
  • Singularity Cloud
  • Singularity AI-SIEM
  • Singularity Identity
  • Singularity Marketplace
  • Purple AI
  • Services
  • Wayfinder TDR
  • SentinelOne GO
  • Technical Account Management
  • Support Services
  • Verticals
  • Energy
  • Federal Government
  • Finance
  • Healthcare
  • Higher Education
  • K-12 Education
  • Manufacturing
  • Retail
  • State and Local Government
  • Cybersecurity for SMB
  • Resources
  • Blog
  • Labs
  • Case Studies
  • Videos
  • Product Tours
  • Events
  • Cybersecurity 101
  • eBooks
  • Webinars
  • Whitepapers
  • Press
  • News
  • Ransomware Anthology
  • Company
  • About Us
  • Our Customers
  • Careers
  • Partners
  • Legal & Compliance
  • Security & Compliance
  • Investor Relations
  • S Foundation
  • S Ventures

©2026 SentinelOne, All Rights Reserved.

Privacy Notice Terms of Use

English