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Vulnerabilities

CVE-2026-0800

High
The User Submitted Posts – Enable Users to Submit Posts from the Front End plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the custom fields in all versions up to, and including,
CWE-79 — Weakness Type
Published: Jan 24, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
CVSS v3
7.2
🔗 NVD Official
📄 Description (English)

The User Submitted Posts – Enable Users to Submit Posts from the Front End plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the custom fields in all versions up to, and including, 20251210 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

🤖 AI Executive Summary

CVE-2026-0800 is a Stored XSS vulnerability in the WordPress 'User Submitted Posts' plugin affecting versions up to 20251210. Unauthenticated attackers can inject malicious scripts through custom fields that execute when users access affected pages. With a CVSS score of 7.2 and no authentication required, this poses a significant risk to WordPress installations across Saudi organizations.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 8, 2026 21:45
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi organizations using WordPress for content management, particularly: Government agencies and municipalities using WordPress for public portals, Banking and financial institutions with customer-facing WordPress sites, Healthcare providers with patient information portals, E-commerce platforms and retail businesses, Media and publishing organizations. The lack of authentication requirement makes this especially dangerous for public-facing websites. Organizations in the Kingdom relying on WordPress for critical information dissemination face risks of data theft, credential harvesting, malware distribution, and reputational damage.
🏢 Affected Saudi Sectors
Government and Public Administration Banking and Financial Services Healthcare and Medical Services E-commerce and Retail Media and Publishing Education Telecommunications Energy and Utilities
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all WordPress installations using the 'User Submitted Posts' plugin
2. Disable the plugin immediately if not critical to operations
3. Review access logs for suspicious custom field submissions
4. Scan for injected malicious scripts in the database

PATCHING:
1. Update the plugin to version 20251211 or later
2. Test updates in staging environment before production deployment
3. Verify all custom field submissions are properly sanitized post-update

COMPENSATING CONTROLS (if immediate patching not possible):
1. Implement Web Application Firewall (WAF) rules to block script injection patterns
2. Enable WordPress security plugins with XSS detection capabilities
3. Restrict custom field submissions to authenticated users only via plugin settings
4. Implement Content Security Policy (CSP) headers to prevent inline script execution
5. Regular database audits for malicious content

DETECTION:
1. Monitor for POST requests to custom field endpoints with script tags (<script>, javascript:, onerror=, onload=)
2. Alert on database modifications to post meta containing encoded or obfuscated scripts
3. Review WordPress admin audit logs for unauthorized post submissions
4. Implement SIEM rules for XSS payload patterns in web logs
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع تثبيتات WordPress التي تستخدم إضافة 'User Submitted Posts'
2. تعطيل الإضافة فوراً إذا لم تكن حرجة للعمليات
3. مراجعة سجلات الوصول للتقديمات المريبة للحقول المخصصة
4. البحث عن البرامج النصية الضارة المحقونة في قاعدة البيانات

التصحيح:
1. تحديث الإضافة إلى الإصدار 20251211 أو أحدث
2. اختبار التحديثات في بيئة التطوير قبل نشرها في الإنتاج
3. التحقق من أن جميع تقديمات الحقول المخصصة معقمة بشكل صحيح بعد التحديث

الضوابط البديلة (إذا لم يكن التصحيح الفوري ممكناً):
1. تنفيذ قواعد جدار حماية تطبيقات الويب لحجب أنماط حقن البرامج النصية
2. تفعيل إضافات أمان WordPress مع قدرات كشف XSS
3. تقييد تقديمات الحقول المخصصة للمستخدمين المصرح لهم فقط
4. تنفيذ رؤوس سياسة أمان المحتوى لمنع تنفيذ البرامج النصية المضمنة
5. تدقيق منتظم لقاعدة البيانات للبحث عن محتوى ضار

الكشف:
1. مراقبة طلبات POST إلى نقاط نهاية الحقول المخصصة التي تحتوي على علامات البرامج النصية
2. التنبيه على تعديلات قاعدة البيانات التي تحتوي على برامج نصية مشفرة أو غامضة
3. مراجعة سجلات تدقيق WordPress الإدارية للتقديمات غير المصرح بها
4. تنفيذ قواعد SIEM لأنماط حمولة XSS في سجلات الويب
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.14.2.1 - Secure development policy A.14.2.5 - Secure development environment A.14.3.1 - Testing of security functionality A.14.3.2 - System change control A.14.3.3 - Testing of security patches
🔵 SAMA CSF
ID.GV-1 - Organizational cybersecurity policy PR.DS-6 - Data is protected from unauthorized access PR.IP-1 - System development and acquisition processes DE.CM-1 - The network is monitored for unauthorized connections
🟡 ISO 27001:2022
A.8.2.3 - Segregation of duties A.12.2.1 - Input validation A.12.2.4 - Protection against malicious code A.14.2.1 - Information security requirements analysis and specification
🟣 PCI DSS v4.0.1
6.5.1 - Injection flaws prevention 6.5.7 - Cross-site scripting prevention 6.2 - Security patches installation
📊 CVSS Score
7.2
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeC — Changed
ConfidentialityL — Low / Local
IntegrityL — Low / Local
AvailabilityN — None / Network
📋 Quick Facts
Severity High
CVSS Score7.2
CWECWE-79
EPSS0.14%
Exploit No
Patch ✓ Yes
Published 2026-01-24
Source Feed nvd
Views 5
🇸🇦 Saudi Risk Score
7.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-79
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