CVE-2024-11331: WordPress Plugin XSS Vulnerability

CVE-2024-11331 Overview

CVE-2024-11331 is a Reflected Cross-Site Scripting (XSS) vulnerability [CWE-79] in the isee-products-extractor WordPress plugin (استخراج محصولات ووکامرس برای آیسی). The flaw affects all versions up to and including 2.1.3. The root cause is the use of add_query_arg() and remove_query_arg() without proper escaping on the URL. Unauthenticated attackers can inject arbitrary web scripts that execute in a victim's browser when the victim clicks a crafted link.

Critical Impact
An unauthenticated attacker can execute arbitrary JavaScript in the context of an administrator's session, enabling session theft, privileged action forgery, or delivery of further payloads.

Affected Products

WordPress plugin isee-products-extractor (استخراج محصولات ووکامرس برای آیسی) versions <= 2.1.3
WordPress sites running WooCommerce with the vulnerable plugin installed
Administrator sessions interacting with the plugin's admin pages (admin/pages/products_list.php)

Discovery Timeline

2024-12-20 - CVE-2024-11331 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-11331

Vulnerability Analysis

The vulnerability resides in the plugin's admin interface at admin/pages/products_list.php, specifically around lines 92, 99, and 105. The plugin passes untrusted request data through the WordPress helpers add_query_arg() and remove_query_arg() and echoes the resulting URL back into the page without escaping it for HTML output. Both functions inherit their first argument from $_SERVER['REQUEST_URI'] when not explicitly supplied, allowing an attacker-controlled URL to flow into an HTML context.

Because exploitation targets the WordPress admin area, a successful attack executes JavaScript in the browser of an authenticated administrator. The scope change (S:C) reflects that injected script can act across the admin origin, potentially manipulating other plugin data, creating accounts, or exfiltrating nonces.

Root Cause

The plugin fails to sanitize or escape the output of add_query_arg() and remove_query_arg() before rendering it in HTML. WordPress documentation explicitly warns that these functions return unescaped URLs and must be passed through esc_url() before being echoed. The absence of esc_url() on the returned value permits "><script> payloads in the URL to break out of attributes and execute.

Attack Vector

An attacker crafts a malicious URL pointing to the plugin's admin page and appends payload data to the query string. The attacker then delivers the link via phishing, forum posts, or social engineering. When an authenticated WordPress administrator clicks the link, the reflected payload is written into the page's HTML and executed by the browser under the site's origin. See the WordPress plugin source at line 92 and the Wordfence advisory for technical details.

Detection Methods for CVE-2024-11331

Indicators of Compromise

HTTP requests to /wp-admin/admin.php?page= endpoints associated with the isee-products-extractor plugin containing encoded <script>, onerror=, or javascript: payloads in the query string
Referer headers pointing to untrusted third-party domains for admin-area requests
Unexpected administrator account creation, plugin installation, or option changes following an admin visit to a crafted URL

Detection Strategies

Inspect web server and WAF logs for admin URLs containing suspicious URL-encoded characters such as %3Cscript%3E, %22%3E, or onerror%3D
Alert on outbound network connections initiated from admin browser sessions to unknown domains shortly after visiting plugin admin pages
Correlate WordPress audit logs (user creation, role changes, plugin/theme edits) with admin sessions that loaded the vulnerable plugin

Monitoring Recommendations

Deploy a WordPress security plugin or WAF with rules targeting reflected XSS patterns in query strings
Monitor endpoints used by administrators for browser-based script execution anomalies and unexpected DOM modifications
Forward WordPress and web server logs to a centralized analytics platform to enable retrospective search for XSS payloads

How to Mitigate CVE-2024-11331

Immediate Actions Required

Update the isee-products-extractor plugin to a version later than 2.1.3 once the vendor releases a patched build
Deactivate and remove the plugin if a patched version is not yet available and the plugin is not essential
Rotate WordPress administrator passwords and invalidate active sessions if administrators may have clicked untrusted links

Patch Information

A code change was committed in WordPress plugin changeset 3211394 addressing the unescaped URL output. Site administrators should install the latest available release from the WordPress plugin repository and confirm the version is greater than 2.1.3.

Workarounds

Restrict access to /wp-admin/ by IP allowlist to limit exposure of the vulnerable admin page
Enforce a strict Content Security Policy (CSP) that disallows inline scripts in the WordPress admin area
Train administrators to avoid clicking unsolicited links that target wp-admin URLs, particularly those with encoded parameters

bash

# Example nginx snippet to restrict wp-admin access by IP allowlist
location ^~ /wp-admin/ {
    allow 203.0.113.0/24;   # trusted admin network
    deny  all;
    try_files $uri $uri/ /index.php?$args;
}