📄 Description (English)
The jQuery googleslides plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'googleslides' shortcode in all versions up to, and including, 1.3. This is due to insufficient input sanitization and output escaping on user supplied attributes (userid, albumid, authkey, imgmax, maxresults, random, caption, albumlink, time, and fadespeed) in the googleslides_handler() function, which interpolates the attribute values directly into single-quoted HTML attributes without using esc_attr(). 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-2026-8866 is a Stored Cross-Site Scripting (XSS) vulnerability in the jQuery googleslides WordPress plugin affecting all versions up to 1.3. Authenticated contributors can inject malicious scripts through shortcode attributes that execute when users view affected pages. With a CVSS score of 6.4 and no available patch, this poses a moderate risk to WordPress installations in Saudi organizations, particularly those with multiple content contributors.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 28, 2026 11:49
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi government agencies, educational institutions, and private sector organizations using WordPress for content management and public-facing websites. Government entities under NCA oversight, ARAMCO subsidiary communications platforms, and banking sector customer-facing portals are at moderate risk. The vulnerability requires authenticated access (contributor level), limiting exposure but creating insider threat concerns. Media and publishing organizations in Saudi Arabia are particularly vulnerable due to their reliance on WordPress and multiple content contributors.
🏢 Affected Saudi Sectors
Government and Public Administration
Education and Universities
Healthcare and Medical Institutions
Media and Publishing
Banking and Financial Services
Energy and Utilities
Telecommunications
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
5.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Audit all WordPress installations using the jQuery googleslides plugin and identify pages with the vulnerable shortcode
2. Review user access logs to identify any suspicious contributor-level account activities
3. Disable the plugin immediately if not actively used
Patching Guidance:
1. Contact the plugin developer for security updates or consider alternative plugins
2. If the plugin is critical, implement a Web Application Firewall (WAF) rule to filter malicious script injection attempts in shortcode attributes
3. Restrict contributor-level access to only trusted personnel
Compensating Controls:
1. Implement Content Security Policy (CSP) headers to prevent inline script execution
2. Enable WordPress security plugins (Wordfence, Sucuri) with XSS detection capabilities
3. Regularly scan WordPress installations with security scanners (WPScan, Sucuri SiteCheck)
4. Implement strict input validation on all user-supplied data
Detection Rules:
1. Monitor for shortcode usage patterns: [googleslides userid= albumid= authkey=]
2. Alert on contributor account modifications or new contributor creation
3. Log and review all shortcode attribute values for script tags, event handlers (onclick, onerror), and encoded payloads
4. Implement SIEM rules to detect XSS patterns in WordPress post/page content
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تدقيق جميع تثبيتات WordPress التي تستخدم إضافة jQuery googleslides وتحديد الصفحات التي تحتوي على الاختصار الضعيف
2. مراجعة سجلات الوصول للمستخدمين لتحديد أي أنشطة حساب مريبة على مستوى المساهم
3. تعطيل الإضافة فوراً إذا لم تكن قيد الاستخدام النشط
إرشادات التصحيح:
1. الاتصال بمطور الإضافة للحصول على تحديثات أمان أو النظر في إضافات بديلة
2. إذا كانت الإضافة حرجة، قم بتنفيذ قاعدة جدار حماية تطبيقات الويب (WAF) لتصفية محاولات حقن البرامج النصية الضارة في سمات الاختصار
3. تقييد الوصول على مستوى المساهم للأشخاص الموثوقين فقط
الضوابط التعويضية:
1. تنفيذ رؤوس سياسة أمان المحتوى (CSP) لمنع تنفيذ البرامج النصية المضمنة
2. تفعيل إضافات أمان WordPress (Wordfence, Sucuri) مع قدرات كشف XSS
3. مسح منتظم لتثبيتات WordPress باستخدام ماسحات الأمان (WPScan, Sucuri SiteCheck)
4. تنفيذ التحقق الصارم من المدخلات على جميع البيانات المزودة من قبل المستخدم
قواعد الكشف:
1. مراقبة أنماط استخدام الاختصار: [googleslides userid= albumid= authkey=]
2. التنبيه على تعديلات حساب المساهم أو إنشاء مساهم جديد
3. تسجيل ومراجعة جميع قيم سمات الاختصار للبحث عن علامات البرامج النصية ومعالجات الأحداث والحمولات المشفرة
4. تنفيذ قواعس SIEM للكشف عن أنماط XSS في محتوى WordPress
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.14.2.1 - Secure development policy (input validation and output encoding requirements)
A.14.2.5 - Secure development environment (vulnerability management)
A.12.6.1 - Management of technical vulnerabilities (patch management)
🔵 SAMA CSF
ID.GV-1 - Organizational cybersecurity policy and procedures
PR.DS-6 - Data is protected from unauthorized access and disclosure
DE.CM-1 - The network is monitored to detect potential cybersecurity events
🟡 ISO 27001:2022
A.14.2.1 - Secure development policy
A.14.2.5 - Secure development environment
A.12.6.1 - Management of technical vulnerabilities
A.13.1.3 - Segregation of information networks
🟣 PCI DSS v4.0.1
6.5.7 - Cross-site scripting (XSS) prevention
6.2 - Ensure security patches are installed within one month of release
🔗 References & Sources 3
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https://plugins.trac.wordpress.org/browser/jquery-googleslides/tags/1.3/init.php#L39
security@wordfence.com
https://plugins.trac.wordpress.org/browser/jquery-googleslides/tags/1.3/init.php#L52
security@wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/3f8e363d-60ec-4e86-856c-c4ffc...
security@wordfence.com