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CVE-2026-102789— Joomla Extension - balbooa.com - Missing Authorization Check on Editor Controller Task in Gridbox < 2.20.4.2

Quick assessment

Affected
balbooa.com Gridbox extension for Joomla
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Joomla 扩展 - balbooa.com - Gridbox 2.20.4.2 以下版本中，编辑器控制器任务缺少授权检查：EditorController::getBlogPosts() 方法读取 order 参数并调用 getBlogPosts()。与同一控制器中的其他任务不同，该方法未执行 GridboxHelper::checkUserEditLevel() 检查。

CVSS 9.3 · Critical

Possible ATT&CK Techniques 2 AI

T1538 · Cloud Service Dashboard T1530.002
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I. Basic Information for CVE-2026-102789

Vulnerability Information
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Vulnerability Title
Joomla Extension - balbooa.com - Missing Authorization Check on Editor Controller Task in Gridbox < 2.20.4.2
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - balbooa.com - Missing Authorization Check on Editor Controller Task in Gridbox < 2.20.4.2 - EditorController::getBlogPosts() reads the order parameter and invokes getBlogPosts() . Unlike other tasks in this controller, it omits the GridboxHelper::checkUserEditLevel() check.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
balbooa.com Gridbox extension for Joomla 1.0.0-2.20.4.1 -

II. Public POCs for CVE-2026-102789

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-102789

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Vendor Pages for CVE-2026-102789 (1)

IV. Related Vulnerabilities

Same product: Gridbox extension for Joomla
Same vendor: balbooa.com
Same weakness: CWE-284