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CVE-2026-102788— Joomla Extension - balbooa.com - Unauthenticated SQL injection 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 版本低于 2.20.4.2 存在未认证 SQL 注入漏洞。在商店产品列表页面上，系统通过字符串过滤器获取 "sort-by" URL 参数的值，并将其直接传递给 GridboxHelper::getBlogPosts() 函数。当该参数值与已知的排序键不匹配时，系统会为其添加表别名，并将其直接插入到 ORDER BY 子句中，而未通过白名单进行校验，从而导致 SQL 注入。

CVSS 9.3 · Critical

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-102788

Vulnerability Information
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Vulnerability Title
Joomla Extension - balbooa.com - Unauthenticated SQL injection in Gridbox < 2.20.4.2
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - balbooa.com - Unauthenticated SQL injection in Gridbox < 2.20.4.2 - On store product list pages, the value of the sort-by URL parameter is retrieved using a string filter and passed directly to GridboxHelper::getBlogPosts(). When the parameter does not match known sorting keys, it is prefixed with a table alias and inserted into the ORDER BY clause without checking against an allowlist
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
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
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-2026-102788

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-102788

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Vendor Pages for CVE-2026-102788 (1)

IV. Related Vulnerabilities

Same product: Gridbox extension for Joomla
Same vendor: balbooa.com
Same weakness: CWE-89