📄 Description (English)
The Pz-LinkCard plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'blogcard' shortcode attributes in all versions up to, and including, 2.5.8.1 due to insufficient input sanitization and output escaping. 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
The Pz-LinkCard WordPress plugin contains a Stored Cross-Site Scripting (XSS) vulnerability in the 'blogcard' shortcode that allows authenticated contributors and above to inject malicious scripts. With no patch currently available and no public exploit, this poses a moderate risk to WordPress installations in Saudi organizations. The vulnerability requires authenticated access, limiting immediate exposure but creating insider threat risks.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 16, 2026 02:17
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations using WordPress with the Pz-LinkCard plugin are at risk, particularly: Government agencies and ministries managing public-facing websites, Banking sector digital marketing and content management systems, Healthcare institutions publishing patient education content, Educational institutions and universities, E-commerce and retail sectors. The vulnerability is particularly concerning for organizations with multiple content contributors, as it enables privilege escalation and data theft through stored XSS payloads that execute for all site visitors.
🏢 Affected Saudi Sectors
Government and Public Administration
Banking and Financial Services
Healthcare and Medical Institutions
Education and Universities
E-commerce and Retail
Media and Publishing
Telecommunications
🎯 MITRE ATT&CK Techniques
T1190 - Exploit Public-Facing Application (WordPress plugin vulnerability)
T1598 - Phishing (XSS payload delivery via stored scripts)
T1566 - Phishing (malicious content injection)
T1539 - Steal Web Session Cookie (XSS-based session hijacking)
T1056 - Input Capture (credential harvesting via injected forms)
T1040 - Network Sniffing (XSS-based data exfiltration)
T1021 - Remote Services (lateral movement via compromised accounts)
⚖️ Saudi Risk Score (AI)
6.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Audit all WordPress installations for Pz-LinkCard plugin presence and version (up to 2.5.8.1 affected)
2. Review user access logs for Contributor-level and above accounts, particularly recent content modifications
3. Scan published pages/posts containing 'blogcard' shortcodes for suspicious attributes
4. Disable the Pz-LinkCard plugin immediately if not critical to operations
Patching Guidance:
1. Monitor plugin repository for security updates; no patch currently available
2. Contact plugin developer for security advisory and ETA for patch
3. If patch becomes available, test in staging environment before production deployment
Compensating Controls:
1. Restrict Contributor role permissions; limit to Editor/Administrator only
2. Implement Web Application Firewall (WAF) rules to detect/block XSS patterns in shortcode attributes
3. Enable WordPress security plugins (Wordfence, Sucuri) with XSS detection
4. Implement Content Security Policy (CSP) headers to mitigate XSS impact
5. Regular security audits of published content for injected scripts
Detection Rules:
1. Monitor for shortcode usage: [blogcard with unusual attributes containing script tags, javascript:, onerror=, onload=
2. Alert on modifications to posts/pages by Contributor+ accounts
3. Log all shortcode attribute values for forensic analysis
4. Implement IDS signatures for stored XSS patterns in WordPress database queries
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تدقيق جميع تثبيتات WordPress للتحقق من وجود مكون Pz-LinkCard والإصدار (الإصدارات حتى 2.5.8.1 متأثرة)
2. مراجعة سجلات وصول المستخدمين لحسابات المساهم وما فوقه، خاصة تعديلات المحتوى الأخيرة
3. فحص الصفحات/المنشورات المنشورة التي تحتوي على اختصارات 'blogcard' للسمات المريبة
4. تعطيل مكون Pz-LinkCard فوراً إذا لم يكن حرجاً للعمليات
إرشادات التصحيح:
1. مراقبة مستودع المكون للتحديثات الأمنية؛ لا يوجد تصحيح متاح حالياً
2. الاتصال بمطور المكون للحصول على استشارة أمنية والموعد المتوقع للتصحيح
3. إذا أصبح التصحيح متاحاً، اختبره في بيئة التجريب قبل نشره في الإنتاج
الضوابط التعويضية:
1. تقييد أذونات دور المساهم؛ حصر الوصول للمحرر/المسؤول فقط
2. تنفيذ قواعد جدار حماية تطبيقات الويب (WAF) للكشف عن أنماط XSS وحجبها
3. تفعيل مكونات أمان WordPress (Wordfence, Sucuri) مع كشف XSS
4. تنفيذ رؤوس سياسة أمان المحتوى (CSP) لتخفيف تأثير XSS
5. تدقيق أمني منتظم للمحتوى المنشور للبحث عن نصوص برمجية مُحقونة
قواعد الكشف:
1. مراقبة استخدام الاختصارات: [blogcard بسمات غير عادية تحتوي على علامات script أو javascript: أو onerror= أو onload=
2. تنبيه عند تعديل المنشورات/الصفحات بواسطة حسابات المساهم+
3. تسجيل جميع قيم سمات الاختصار للتحليل الجنائي
4. تنفيذ توقيعات IDS لأنماط XSS المخزنة في استعلامات قاعدة بيانات WordPress
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information Security Policies (input validation and output encoding requirements)
A.6.1.1 - Internal Organization (access control for content contributors)
A.7.1.1 - Access Control (principle of least privilege for user roles)
A.8.2.1 - User Access Management (authentication and authorization controls)
A.12.2.1 - Change Management (security testing before deployment)
🔵 SAMA CSF
ID.GV-1 - Organizational context and governance (vulnerability management)
PR.AC-1 - Access control policy and processes (role-based access restrictions)
PR.DS-1 - Data security management (input validation and output encoding)
DE.CM-1 - Detection and analysis (monitoring for XSS attacks)
RS.RP-1 - Response planning (incident response for compromised content)
🟡 ISO 27001:2022
A.5.1.1 - Information security policies (secure coding practices)
A.6.1.1 - Organization of information security (access control framework)
A.7.1.1 - Access control (user role management)
A.8.1.1 - User registration and access rights (principle of least privilege)
A.12.2.1 - Change management (security testing requirements)
A.14.2.1 - Secure development policy (input validation and output encoding)
🟣 PCI DSS v4.0.1
Requirement 1.1 - Firewall configuration standards (WAF implementation)
Requirement 6.5.1 - Injection flaws prevention (input validation)
Requirement 6.5.7 - Cross-site scripting prevention (output encoding)
Requirement 7.1 - Access control (least privilege for contributors)
🔗 References & Sources 4
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https://plugins.trac.wordpress.org/browser/pz-linkcard/tags/2.5.8/pz-linkcard.php#L442
security@wordfence.com
https://plugins.trac.wordpress.org/browser/pz-linkcard/tags/2.5.8/pz-linkcard.php#L636
security@wordfence.com
https://plugins.trac.wordpress.org/browser/pz-linkcard/trunk/pz-linkcard.php#L636
security@wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/687ffac2-1f07-4adb-ba12-5f2ea...
security@wordfence.com