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Vulnerabilities

CVE-2026-8883

Medium
CWE-79 — Weakness Type
Published: Jun 9, 2026  ·  Modified: Jun 10, 2026  ·  Source: NVD
CVSS v3
6.4
🔗 NVD Official
📄 Description (English)

The Global Body Mass Index Calculator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'gbmicalc' shortcode in versions up to, and including, 1.2. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes in the GBMI_Calc_Widget::widget() function. Shortcode attributes are extracted directly into local variables via @extract($args) and then echoed unescaped into an HTML style attribute (height/width) and HTML body context (title), allowing attribute-breakout payloads. 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 Global Body Mass Index Calculator WordPress plugin versions up to 1.2 contains a Stored Cross-Site Scripting vulnerability in the 'gbmicalc' shortcode due to insufficient input sanitization. Authenticated contributors can inject malicious scripts that execute when users access affected pages.

📄 Description (Arabic)

تحتوي إضافة حاسبة مؤشر كتلة الجسم العالمية لـ WordPress على ثغرة XSS مخزنة في دالة GBMI_Calc_Widget::widget() حيث يتم استخراج خصائص Shortcode مباشرة دون تنظيف آمن. يمكن للمهاجمين المصرح لهم بمستوى المساهم أو أعلى حقن رموز ضارة في صفات HTML والمحتوى الأساسي. تنفذ البرامج النصية الضارة عند وصول أي مستخدم إلى الصفحة المصابة.

🤖 ملخص تنفيذي (AI)

The Global Body Mass Index Calculator WordPress plugin versions up to 1.2 contains a Stored Cross-Site Scripting vulnerability in the 'gbmicalc' shortcode due to insufficient input sanitization. Authenticated contributors can inject malicious scripts that execute when users access affected pages.

🤖 AI Intelligence Analysis Analyzed: Jun 9, 2026 09:16
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: medium
🏢 Affected Saudi Sectors
healthcare government
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
6.0
/ 10.0
🔧 Remediation Steps (English)
Update the Global Body Mass Index Calculator plugin to version 1.3 or later immediately. Implement strict input validation and output escaping for all shortcode attributes. Restrict contributor-level access to trusted users only. Use WordPress security plugins to monitor and block malicious shortcode usage.
🔧 خطوات المعالجة (العربية)
قم بتحديث إضافة حاسبة مؤشر كتلة الجسم العالمية إلى الإصدار 1.3 أو أحدث فوراً. طبق التحقق الصارم من المدخلات والتهريب الآمن لجميع خصائص Shortcode. قيد الوصول على مستوى المساهم للمستخدمين الموثوقين فقط. استخدم إضافات أمان WordPress لمراقبة ومنع استخدام Shortcode الضار.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
AC-2 AC-3
🔵 SAMA CSF
CC-6.1 CC-6.2
🟡 ISO 27001:2022
A.14.2.1 A.14.2.5
📊 CVSS Score
6.4
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeC — Changed
ConfidentialityL — Low / Local
IntegrityL — Low / Local
AvailabilityN — None / Network
📋 Quick Facts
Severity Medium
CVSS Score6.4
CWECWE-79
Exploit No
Patch ✗ No
Published 2026-06-09
Source Feed nvd
🇸🇦 Saudi Risk Score
6.0
/ 10.0 — Saudi Risk
Priority: MEDIUM
🏷️ Tags
CWE-79
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