📄 Description (English)
The Cryptocurrency Prijsvergelijking Widget plugin for WordPress is vulnerable to Stored Cross-Site Scripting in version 1.0. This is due to insufficient output escaping in the as_get_coin_shortcode() function, which renders the 'width' (and 'height') shortcode attribute directly into the style attribute of an <iframe> element without applying any escaping function such as esc_attr(). An attacker-controlled value like '100px;"onload="alert(1)" x="' terminates the style attribute prematurely and injects an arbitrary HTML attribute into the iframe tag. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
🤖 AI Executive Summary
CVE-2026-8698 is a Stored Cross-Site Scripting (XSS) vulnerability in the Cryptocurrency Prijsvergelijking Widget WordPress plugin v1.0, exploitable by authenticated contributors and above. Attackers can inject malicious JavaScript through improperly escaped shortcode attributes that execute in the context of any user viewing the affected page. With no patch currently available, organizations using this plugin face persistent code injection risks.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 27, 2026 13:17
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily affects Saudi organizations operating WordPress-based websites in the financial technology and cryptocurrency sectors, including fintech startups, investment platforms, and digital asset exchanges operating under SAMA oversight. Government agencies and educational institutions using WordPress for content management face secondary risk if contributors are compromised. The vulnerability is particularly concerning for organizations subject to SAMA's digital asset regulations and NCA cybersecurity requirements, as stored XSS can lead to credential theft, malware distribution, and regulatory compliance violations.
🏢 Affected Saudi Sectors
Financial Technology (Fintech)
Cryptocurrency and Digital Assets
Banking and Financial Services
Government and Public Sector
Education
E-commerce
Media and Publishing
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Audit all WordPress installations for the Cryptocurrency Prijsvergelijking Widget plugin v1.0 presence
2. Disable or remove the vulnerable plugin immediately if not actively required
3. Review user access logs for contributor-level and above accounts for suspicious activity
4. Scan all pages/posts using the affected shortcode for injected malicious content
Patching Guidance:
1. Monitor the plugin repository for security updates; apply immediately upon release
2. If the plugin is critical, contact the plugin developer for a security patch timeline
3. Consider switching to alternative cryptocurrency price comparison solutions with better security practices
Compensating Controls (until patch available):
1. Restrict contributor-level access to only trusted, verified users
2. Implement Web Application Firewall (WAF) rules to detect and block XSS payloads in shortcode attributes
3. Enable WordPress security plugins (e.g., Wordfence, Sucuri) with XSS detection capabilities
4. Implement Content Security Policy (CSP) headers to restrict inline script execution
5. Use WordPress user role management to limit who can create/edit posts with shortcodes
Detection Rules:
1. Monitor for shortcode usage patterns: [cryptocurrency_prijsvergelijking width=... height=...]
2. Alert on iframe style attributes containing event handlers (onload, onerror, onclick)
3. Log all post/page modifications by contributor-level users
4. Implement IDS signatures for XSS payloads in WordPress POST requests containing shortcode parameters
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تدقيق جميع تثبيتات WordPress للتحقق من وجود مكون Cryptocurrency Prijsvergelijking Widget الإصدار 1.0
2. تعطيل أو إزالة المكون الضعيف فوراً إذا لم يكن مطلوباً بنشاط
3. مراجعة سجلات الوصول للمستخدمين على مستوى المساهم وما فوق للبحث عن نشاط مريب
4. فحص جميع الصفحات/المنشورات التي تستخدم الاختصار المتأثر للبحث عن محتوى ضار مُدرج
إرشادات التصحيح:
1. مراقبة مستودع المكون للتحديثات الأمنية؛ تطبيقها فوراً عند الإصدار
2. إذا كان المكون حرجاً، اتصل بمطور المكون للحصول على جدول زمني لتصحيح الأمان
3. فكر في التبديل إلى حلول مقارنة أسعار العملات المشفرة البديلة ذات ممارسات الأمان الأفضل
الضوابط التعويضية (حتى توفر التصحيح):
1. تقييد الوصول على مستوى المساهم فقط للمستخدمين الموثوقين والمتحققين
2. تنفيذ قواعد جدار حماية تطبيقات الويب (WAF) للكشف عن حمولات XSS وحجبها في سمات الاختصار
3. تفعيل مكونات أمان WordPress (مثل Wordfence و Sucuri) مع قدرات الكشف عن XSS
4. تنفيذ رؤوس Content Security Policy (CSP) لتقييد تنفيذ البرامج النصية المضمنة
5. استخدام إدارة أدوار مستخدمي WordPress لتحديد من يمكنه إنشاء/تحرير المنشورات باستخدام الاختصارات
قواعد الكشف:
1. مراقبة أنماط استخدام الاختصار: [cryptocurrency_prijsvergelijking width=... height=...]
2. تنبيه على سمات نمط iframe التي تحتوي على معالجات الأحداث (onload و onerror و onclick)
3. تسجيل جميع تعديلات المنشورات/الصفحات من قبل مستخدمي مستوى المساهم
4. تنفيذ توقيعات IDS لحمولات XSS في طلبات WordPress POST التي تحتوي على معاملات الاختصار
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.14.2.1 - Information security requirements for supplier relationships (plugin security)
ECC 2024 A.5.1.1 - Policies for information security (secure coding practices)
ECC 2024 A.6.1.1 - Information security roles and responsibilities (access control)
ECC 2024 A.8.2.1 - User access management (contributor access restrictions)
🔵 SAMA CSF
SAMA CSF ID.BE-1 - Business Environment (third-party risk management)
SAMA CSF PR.AC-1 - Access Control (authentication and authorization)
SAMA CSF PR.DS-2 - Data Security (protection of information assets)
SAMA CSF DE.CM-1 - Detection and Analysis (monitoring and detection)
🟡 ISO 27001:2022
ISO 27001:2022 A.5.1 - Policies for information security
ISO 27001:2022 A.6.1 - Organization of information security
ISO 27001:2022 A.8.1 - User endpoint devices
ISO 27001:2022 A.8.2 - Privileged access rights
ISO 27001:2022 A.14.2 - Supplier relationships
🟣 PCI DSS v4.0.1
PCI DSS 6.5.7 - Cross-site scripting (XSS) prevention
PCI DSS 6.2 - Security patches and updates
PCI DSS 7.1 - Limit access to system components by business need to know
🔗 References & Sources 3
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https://plugins.trac.wordpress.org/browser/cryptocurrency-prijsvergelijking-widget/trun...
security@wordfence.com
https://plugins.trac.wordpress.org/browser/cryptocurrency-prijsvergelijking-widget/trun...
security@wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/058e47cd-55c8-48b3-8aa6-ef299...
security@wordfence.com