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CVE Vulnerability Database
Vulnerability Database/CVE-2025-24609

CVE-2025-24609: PORTONE WooCommerce XSS Vulnerability

CVE-2025-24609 is a reflected cross-site scripting flaw in PORTONE WooCommerce payment plugin that allows attackers to inject malicious scripts. This article covers technical details, affected versions, and mitigation.

Published: April 22, 2026

CVE-2025-24609 Overview

CVE-2025-24609 is a Reflected Cross-Site Scripting (XSS) vulnerability affecting the PORTONE 우커머스 결제 (iamport-for-woocommerce) WordPress plugin. This vulnerability arises from improper neutralization of user-supplied input during web page generation, allowing attackers to inject malicious scripts that execute in the context of a victim's browser session.

Reflected XSS vulnerabilities in e-commerce payment plugins are particularly concerning as they can be leveraged to steal sensitive payment information, session tokens, or redirect users to malicious phishing sites during checkout processes.

Critical Impact

Attackers can execute arbitrary JavaScript in victims' browsers, potentially leading to session hijacking, credential theft, or unauthorized actions on WooCommerce stores processing payments through PORTONE.

Affected Products

  • PORTONE 우커머스 결제 (iamport-for-woocommerce) versions up to and including 3.2.4
  • WordPress sites utilizing the affected plugin for WooCommerce payment processing
  • WooCommerce installations integrated with PORTONE payment gateway

Discovery Timeline

  • 2025-01-31 - CVE-2025-24609 published to NVD
  • 2026-04-15 - Last updated in NVD database

Technical Details for CVE-2025-24609

Vulnerability Analysis

This vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation, commonly known as Cross-Site Scripting (XSS). The Reflected XSS variant means that malicious payloads are not stored on the server but are instead reflected back to the user through URL parameters or form submissions that are immediately rendered in the response without proper sanitization.

In the context of the PORTONE WooCommerce payment plugin, the vulnerability exists in how user input is processed and echoed back within HTML responses. When a victim clicks on a specially crafted malicious link, the injected script payload executes within their authenticated session on the WordPress site.

Root Cause

The root cause stems from insufficient input validation and output encoding within the iamport-for-woocommerce plugin. User-controlled data is incorporated into the HTML response without proper sanitization using WordPress escaping functions such as esc_html(), esc_attr(), or wp_kses(). This allows attackers to break out of the intended HTML context and inject executable JavaScript code.

Attack Vector

The attack requires social engineering to trick a victim into clicking a malicious link. The attacker crafts a URL containing a JavaScript payload in a vulnerable parameter. When an authenticated administrator or user with store access visits this link, the malicious script executes with their privileges.

Typical attack scenarios include:

  • Phishing emails containing malicious links targeting WooCommerce store administrators
  • Social media or forum posts with disguised malicious URLs
  • Redirect chains from compromised websites leading to the vulnerable endpoint

The vulnerability can be exploited to steal administrator session cookies, inject keyloggers to capture payment information, deface the checkout page, or perform unauthorized administrative actions on the WooCommerce store.

Detection Methods for CVE-2025-24609

Indicators of Compromise

  • Review web server access logs for unusual URL parameters containing JavaScript code, <script> tags, or encoded payloads targeting plugin endpoints
  • Monitor for unexpected outbound connections from client browsers during checkout processes
  • Check for reports from users about unexpected redirects or browser warnings when accessing payment pages

Detection Strategies

  • Implement Web Application Firewall (WAF) rules to detect and block common XSS payloads in request parameters
  • Deploy browser-based XSS detection using Content Security Policy (CSP) headers with report-uri directive
  • Utilize SentinelOne's behavioral analysis capabilities to detect malicious script injection attempts
  • Configure log aggregation to alert on requests containing encoded script patterns targeting /wp-content/plugins/iamport-for-woocommerce/ paths

Monitoring Recommendations

  • Enable WordPress security plugins with real-time file integrity monitoring
  • Monitor for changes to plugin files that may indicate post-exploitation tampering
  • Implement client-side monitoring for unexpected DOM modifications during payment flows
  • Review Content Security Policy violation reports for potential XSS exploitation attempts

How to Mitigate CVE-2025-24609

Immediate Actions Required

  • Update the PORTONE 우커머스 결제 plugin to a version newer than 3.2.4 when a patch becomes available
  • Temporarily disable the plugin if it is not actively required for payment processing
  • Implement a Web Application Firewall with XSS protection rules as a defense-in-depth measure
  • Review server access logs for any evidence of prior exploitation attempts

Patch Information

The vulnerability affects PORTONE 우커머스 결제 (iamport-for-woocommerce) versions from the initial release through version 3.2.4. Administrators should monitor the Patchstack WordPress Vulnerability Report for updates on patched versions and apply updates immediately when available through the WordPress plugin repository.

Workarounds

  • Deploy Content Security Policy headers to restrict script execution sources and mitigate the impact of successful XSS attacks
  • Implement HTTP-only and Secure flags on session cookies to prevent JavaScript access to authentication tokens
  • Use a reverse proxy or WAF to sanitize incoming requests before they reach the WordPress application
  • Consider restricting administrative access to the WooCommerce backend via IP allowlisting
bash
# Example Apache .htaccess CSP header configuration
<IfModule mod_headers.c>
    Header set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' https://trusted-cdn.example.com; object-src 'none';"
    Header set X-XSS-Protection "1; mode=block"
    Header set X-Content-Type-Options "nosniff"
</IfModule>

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

  • Vulnerability Details
  • TypeXSS

  • Vendor/TechPortone

  • SeverityNONE

  • CVSS ScoreN/A

  • EPSS Probability0.17%

  • Known ExploitedNo
  • Impact Assessment
  • ConfidentialityNone
  • IntegrityNone
  • AvailabilityNone
  • CWE References
  • CWE-79
  • Technical References
  • Patchstack WordPress Vulnerability Report
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