📄 Description (English)
The Post Affiliate Pro plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.28.0. This makes it possible for authenticated attackers, with Administrator-level access, to make web requests to initiate arbitrary outbound requests from the application and read the returned response content. Successful exploitation was confirmed by receiving and observing response data from an external Collaborator endpoint.
🤖 AI Executive Summary
CVE-2026-2290 is a Server-Side Request Forgery (SSRF) vulnerability in Post Affiliate Pro WordPress plugin affecting versions up to 1.28.0. The vulnerability requires Administrator-level access and allows authenticated attackers to make arbitrary outbound web requests and read responses. While no public exploit exists and no patch is available, the medium CVSS score (6.5) reflects the authentication requirement, though the capability to exfiltrate data and probe internal networks poses significant risk to Saudi organizations using this plugin.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 12, 2026 04:19
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi organizations using WordPress with Post Affiliate Pro plugin for affiliate marketing operations. Most at-risk sectors include: E-commerce and retail companies managing affiliate networks, Digital marketing agencies operating in Saudi Arabia, Financial services firms using affiliate channels for customer acquisition, and Government entities running public-facing WordPress sites with affiliate programs. The SSRF capability enables attackers with admin access to probe internal networks, access internal services (SAMA banking systems, NCA government portals), exfiltrate sensitive data, and potentially pivot to connected infrastructure. Organizations in Riyadh and Jeddah with significant e-commerce operations face elevated risk.
🏢 Affected Saudi Sectors
E-commerce and Retail
Digital Marketing and Advertising
Financial Services and Banking
Government and Public Administration
Telecommunications
Healthcare and Pharmaceuticals
Travel and Hospitality
Real Estate and Property Management
🎯 MITRE ATT&CK Techniques
T1190 - Exploit Public-Facing Application
T1133 - External Remote Services
T1570 - Lateral Tool Transfer
T1021 - Remote Services
T1040 - Network Sniffing
T1557 - Adversary-in-the-Middle
T1005 - Data from Local System
T1041 - Exfiltration Over C2 Channel
T1071 - Application Layer Protocol
T1090 - Proxy
T1595 - Active Scanning
T1592 - Gather Victim Host Information
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Audit all WordPress installations in your organization for Post Affiliate Pro plugin presence and version
2. Restrict Administrator-level access to only essential personnel; implement principle of least privilege
3. Review admin access logs for suspicious activity and unauthorized requests
4. Monitor outbound network traffic from WordPress servers for anomalous connections
Patching Guidance:
1. Contact Post Affiliate Pro vendor for security updates or timeline
2. If no patch available within 30 days, consider disabling the plugin or migrating to alternative affiliate solutions
3. Implement Web Application Firewall (WAF) rules to detect SSRF patterns (requests to 127.0.0.1, 169.254.169.254, internal IP ranges)
Compensating Controls:
1. Implement network segmentation to isolate WordPress servers from sensitive internal systems
2. Deploy egress filtering to restrict outbound connections to approved external domains only
3. Enable WordPress security plugins with SSRF detection capabilities
4. Implement IP whitelisting for admin panel access
5. Use VPN/proxy for all outbound connections with logging and inspection
Detection Rules:
1. Monitor for POST/GET requests to Post Affiliate Pro plugin endpoints with suspicious parameters
2. Alert on outbound connections from WordPress to internal IP ranges (10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16, 127.0.0.1)
3. Track requests to AWS metadata endpoints (169.254.169.254) or cloud provider equivalents
4. Monitor for unusual DNS queries from WordPress servers
5. Log and alert on admin-level API calls making external requests
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تدقيق جميع تثبيتات WordPress في مؤسستك للتحقق من وجود إضافة Post Affiliate Pro والإصدار
2. تقييد وصول مستوى المسؤول للموظفين الأساسيين فقط؛ تطبيق مبدأ الحد الأدنى من الامتيازات
3. مراجعة سجلات وصول المسؤول للنشاط المريب والطلبات غير المصرح بها
4. مراقبة حركة الشبكة الصادرة من خوادم WordPress للاتصالات الشاذة
إرشادات التصحيح:
1. التواصل مع بائع Post Affiliate Pro للحصول على تحديثات أمان أو جدول زمني
2. إذا لم يتوفر تصحيح خلال 30 يوماً، فكر في تعطيل الإضافة أو الهجرة إلى حلول بديلة
3. تطبيق قواعد جدار حماية تطبيقات الويب (WAF) للكشف عن أنماط SSRF
الضوابط التعويضية:
1. تطبيق تقسيم الشبكة لعزل خوادم WordPress عن الأنظمة الداخلية الحساسة
2. نشر تصفية الخروج لتقييد الاتصالات الصادرة بالنطاقات الخارجية المعتمدة فقط
3. تفعيل إضافات أمان WordPress مع قدرات الكشف عن SSRF
4. استخدام القائمة البيضاء للعناوين لوصول لوحة المسؤول
5. استخدام VPN/وكيل لجميع الاتصالات الصادرة مع التسجيل والفحص
قواعد الكشف:
1. مراقبة طلبات POST/GET إلى نقاط نهاية إضافة Post Affiliate Pro بمعاملات مريبة
2. التنبيه على الاتصالات الصادرة من WordPress إلى نطاقات IP الداخلية
3. تتبع الطلبات إلى نقاط نهاية بيانات AWS أو ما يعادلها
4. مراقبة استعلامات DNS غير العادية من خوادم WordPress
5. تسجيل والتنبيه على استدعاءات API على مستوى المسؤول التي تقوم بطلبات خارجية
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information Security Policies and Procedures
A.6.1.1 - Internal Organization of Information Security
A.8.1.1 - User Access Management
A.8.2.1 - User Registration and De-registration
A.8.3.1 - User Access Provisioning
A.9.1.1 - Physical and Environmental Security
A.9.2.1 - Equipment Security
A.10.1.1 - Cryptography
A.12.1.1 - Audit Logging
A.12.4.1 - Logging and Monitoring
A.13.1.1 - Network Security
A.13.2.1 - Information Transfer
🔵 SAMA CSF
Governance - Policy and Risk Management
Governance - Oversight and Accountability
Protect - Access Control and Authentication
Protect - Data Protection and Privacy
Detect - Security Monitoring and Alerting
Respond - Incident Response and Management
🟡 ISO 27001:2022
5.1 - Policies for information security
5.3 - Segregation of duties
6.1 - Screening
6.2 - Terms and conditions of employment
8.1 - User endpoint devices
8.2 - Privileged access rights
8.3 - Information access restriction
8.4 - Access to cryptographic keys
8.5 - Access control
8.6 - Removal or adjustment of access rights
8.7 - Throughput security
8.8 - User authentication information management
8.9 - Access control to information systems and applications
8.10 - Structured cabling
8.11 - Security of network services
8.12 - Segregation of networks
8.13 - Boundary firewalls
8.14 - Use of cryptography
8.15 - Cryptographic key management
8.16 - Development, test and production environments
8.17 - Change management
8.18 - Capacity and resource management
8.19 - Information security in supplier relationships
8.20 - Addressing information security in ICT supplier agreements
8.21 - Managing information security incidents
8.22 - Monitoring
8.23 - Web filtering
8.24 - Use of cryptography on public networks
8.25 - Secure development life cycle
8.26 - Application security requirements
8.27 - Secure system architecture and engineering principles
8.28 - Secure coding
8.29 - Security testing in development and acceptance
8.30 - Outsourced development
8.31 - Separation of development, test and production environments
8.32 - Change management
8.33 - Testing of changes
8.34 - Protection of information systems from malware
8.35 - Installation of software on operational systems
8.36 - Management of technical vulnerabilities
8.37 - Restrictions on the installation of software
8.38 - Information backup
8.39 - Redundancy of information and communication facilities
8.40 - Redundancy of ICT facilities
8.41 - Equipment maintenance
8.42 - Removal of assets
8.43 - Destruction of data
8.44 - Operator logging
8.45 - Recording user activities
8.46 - Restriction of logging information
8.47 - Logging of administrator and operator activities
8.48 - Logging of invalid access attempts
8.49 - Access logging
8.50 - Recording of sensitive transactions
8.51 - Logging of exceptions and security events
8.52 - Monitoring system use
8.53 - Collection of evidence
🟣 PCI DSS v4.0.1
1.1 - Firewall configuration standards
1.3 - Prohibition of direct public access
2.1 - Default security parameters
2.2.4 - Configure system security parameters
6.2 - Security patches
6.5.10 - Broken authentication
7.1 - Limit access to system components
8.1 - User identification and authentication
8.2 - Strong authentication methods
8.3 - Multi-factor authentication
10.1 - Implement audit logging
10.2 - Implement automated audit trails
10.3 - Protect audit trail history
11.3 - Penetration testing
🔗 References & Sources 3
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https://plugins.trac.wordpress.org/browser/postaffiliatepro/tags/1.28.0/Base.class.php#...
security@wordfence.com
https://plugins.trac.wordpress.org/browser/postaffiliatepro/trunk/Base.class.php#L127
security@wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/369cd6ca-bb36-479e-b342-36d2c...
security@wordfence.com