📄 Description (English)
The StatCounter – Free Real Time Visitor Stats plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.1.1 This is due to insufficient output escaping on the post author's nickname in the statcounter_addToTags() function. The function is hooked to wp_head and fires on every single post page. It retrieves the post author's nickname via the_author_meta() and echoes it directly into a JavaScript double-quoted string context inside a <script> block without applying esc_js() or any equivalent JavaScript-context escaping. This makes it possible for authenticated attackers with Author-level access and above to inject arbitrary web scripts into pages that will execute whenever any user (including unauthenticated visitors) accesses a post authored by the attacker.
🤖 AI Executive Summary
The StatCounter WordPress plugin (versions ≤2.1.1) contains a Stored XSS vulnerability in the statcounter_addToTags() function that fails to properly escape post author nicknames in JavaScript context. Authenticated attackers with Author-level access can inject malicious scripts that execute for all visitors viewing affected posts. This vulnerability affects every post page where the plugin is active, creating persistent attack vectors across WordPress installations.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 30, 2026 10:19
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations using WordPress for content management, particularly government agencies, educational institutions, and media organizations, face significant risk. The vulnerability is especially critical for: (1) Government websites and NCSA-regulated digital services relying on WordPress; (2) Banking sector customer-facing portals and educational content; (3) Healthcare institutions publishing patient information or medical content; (4) Telecom providers (STC, Mobily) using WordPress for customer communications. The persistent nature of stored XSS allows attackers to compromise visitor sessions, steal credentials, redirect users to malicious sites, or distribute malware to all site visitors.
🏢 Affected Saudi Sectors
Government and Public Administration
Banking and Financial Services
Healthcare and Medical Institutions
Education and Universities
Telecommunications
Media and Publishing
E-commerce and Retail
Energy and Utilities
🎯 MITRE ATT&CK Techniques
T1059.007 - Command and Scripting Interpreter: JavaScript
T1190 - Exploit Public-Facing Application
T1598 - Phishing: Spearphishing Link (via injected scripts)
T1566 - Phishing (malicious script delivery)
T1539 - Steal Web Session Cookie
T1056 - Input Capture (credential harvesting via injected forms)
T1204.001 - User Execution: Malicious Link
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Disable the StatCounter plugin immediately via WordPress admin dashboard or by renaming the plugin directory (/wp-content/plugins/statcounter/)
2. Audit all posts authored by users with Author-level access or higher for suspicious content in the post author nickname field
3. Review WordPress user roles and remove unnecessary Author/Editor privileges
4. Check website access logs and security logs for evidence of exploitation (look for JavaScript payloads in author metadata)
PATCHING GUIDANCE:
1. Monitor StatCounter plugin repository for version 2.1.2 or later with proper esc_js() implementation
2. Once patched version is available, update immediately through WordPress admin dashboard
3. Test thoroughly in staging environment before production deployment
COMPENSATING CONTROLS (if patch unavailable):
1. Implement Web Application Firewall (WAF) rules to detect and block XSS patterns in JavaScript contexts
2. Deploy Content Security Policy (CSP) headers: Content-Security-Policy: script-src 'self' 'unsafe-inline' (then gradually restrict)
3. Use WordPress security plugins (Wordfence, Sucuri) with XSS detection capabilities
4. Implement strict input validation on author nickname fields at database level
5. Restrict Author role assignments to trusted personnel only
6. Enable WordPress security logging and monitor for suspicious author metadata modifications
DETECTION RULES:
1. Monitor wp_usermeta table for unusual characters in meta_key='nickname' (look for script tags, event handlers, quotes)
2. Alert on any modifications to user nicknames by non-administrative accounts
3. Log all POST requests to user profile pages
4. Monitor for JavaScript payloads in HTTP requests containing author-related parameters
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. عطّل مكون إضافي StatCounter فوراً عبر لوحة تحكم WordPress أو بإعادة تسمية دليل المكون الإضافي
2. تدقيق جميع المنشورات التي أنشأها المستخدمون على مستوى المؤلف أو أعلى للبحث عن محتوى مريب في حقل اسم مستعار مؤلف المنشور
3. مراجعة أدوار مستخدمي WordPress وإزالة امتيازات المؤلف/المحرر غير الضرورية
4. التحقق من سجلات الوصول إلى الموقع وسجلات الأمان للبحث عن أدلة على الاستغلال
إرشادات التصحيح:
1. راقب مستودع مكون إضافي StatCounter للإصدار 2.1.2 أو أحدث مع تنفيذ esc_js() الصحيح
2. بمجرد توفر الإصدار المصحح، قم بالتحديث فوراً عبر لوحة تحكم WordPress
3. اختبر بدقة في بيئة التدريج قبل نشر الإنتاج
الضوابط التعويضية:
1. تنفيذ قواعد جدار حماية تطبيقات الويب (WAF) للكشف عن أنماط XSS وحجبها
2. نشر رؤوس سياسة أمان المحتوى (CSP)
3. استخدام مكونات إضافية أمان WordPress مع قدرات كشف XSS
4. تنفيذ التحقق من صحة الإدخال الصارم على حقول اسم مستعار المؤلف
5. تقييد تعيينات دور المؤلف للموظفين الموثوقين فقط
6. تفعيل تسجيل أمان WordPress ومراقبة التعديلات المريبة على بيانات تعريف المؤلف
قواعد الكشف:
1. مراقبة جدول wp_usermeta للأحرف غير العادية في حقل الاسم المستعار
2. تنبيهات عند أي تعديلات على أسماء المستخدمين المستعارة من قبل حسابات غير إدارية
3. تسجيل جميع طلبات POST إلى صفحات ملف تعريف المستخدم
4. مراقبة حمولات JavaScript في طلبات HTTP التي تحتوي على معاملات متعلقة بالمؤلف
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.14.2.1 - Information security requirements for supplier relationships (plugin supply chain)
ECC 2024 A.14.2.5 - Addressing information security in supplier agreements (vendor patching obligations)
ECC 2024 A.5.23 - Web application security controls
ECC 2024 A.6.6 - Application access control and least privilege
🔵 SAMA CSF
SAMA CSF 1.1 - Governance and Risk Management (vulnerability management program)
SAMA CSF 2.2 - Information Security (secure development and patch management)
SAMA CSF 3.1 - Operational Resilience (incident detection and response)
SAMA CSF 4.1 - Cyber Resilience (threat and vulnerability management)
🟡 ISO 27001:2022
ISO 27001:2022 A.5.23 - Web application security
ISO 27001:2022 A.6.6 - Access control (least privilege for author roles)
ISO 27001:2022 A.8.1 - Asset management (software inventory)
ISO 27001:2022 A.8.2 - Configuration management
ISO 27001:2022 A.8.3 - Information deletion and destruction
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security patches for all system components
PCI DSS 6.5.7 - Cross-site scripting (XSS) prevention
PCI DSS 7.1 - Least privilege access (author role restrictions)
🔗 References & Sources 6
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https://plugins.trac.wordpress.org/browser/official-statcounter-plugin-for-wordpress/ta...
security@wordfence.com
https://plugins.trac.wordpress.org/browser/official-statcounter-plugin-for-wordpress/ta...
security@wordfence.com
https://plugins.trac.wordpress.org/browser/official-statcounter-plugin-for-wordpress/tr...
security@wordfence.com
https://plugins.trac.wordpress.org/browser/official-statcounter-plugin-for-wordpress/tr...
security@wordfence.com
https://plugins.trac.wordpress.org/changeset?old_path=%2Fofficial-statcounter-plugin-fo...
security@wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/30e0bf40-7f7b-43e6-8439-6dc00...
security@wordfence.com