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CVE-2026-65886— Joomla Extension - balbooa.com - Unauthenticated arbitrary file read in Gridbox < 2.20.2

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.

Balbooa gridbox是Balbooa公司开源的一个响应式Joomla页面构建器。 Balbooa Gridbox 2.20.2之前版本存在路径遍历漏洞，该漏洞源于路径遍历问题，未经身份验证的攻击者可通过照片查看器读取任意文件。

CVSS 9.2 · Critical EPSS 0.55% · P44

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
balbooa.com Gridbox extension for Joomla 1.0.0-2.20.1 affected
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I. Basic Information for CVE-2026-65886

Vulnerability Information
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Vulnerability Title
Joomla Extension - balbooa.com - Unauthenticated arbitrary file read in Gridbox < 2.20.2
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - balbooa.com - Unauthenticated arbitrary file read in Gridbox < 2.20.2 - The photo viewer allows unauthenticated attackers to view arbitrary files.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Balbooa Gridbox 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Balbooa gridbox是Balbooa公司开源的一个响应式Joomla页面构建器。 Balbooa Gridbox 2.20.2之前版本存在路径遍历漏洞，该漏洞源于路径遍历问题，未经身份验证的攻击者可通过照片查看器读取任意文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
balbooa.com Gridbox extension for Joomla 1.0.0-2.20.1 -

II. Public POCs for CVE-2026-65886

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III. Intelligence Information for CVE-2026-65886

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Security Blog Posts for CVE-2026-65886 (1)

Vendor Pages for CVE-2026-65886 (1)

Same Patch Batch · balbooa.com · 2026-07-29 · 11 CVEs total

CVE-2026-65884 10.0 CRITICAL Joomla Extension - balbooa.com - Privilege Escalation in Gridbox < 2.20.2
CVE-2026-65888 10.0 CRITICAL Joomla Extension - balbooa.com - Account takeover vulnerability in Gridbox < 2.20.2
CVE-2026-65887 10.0 CRITICAL Joomla Extension - balbooa.com - Unauthenticated arbitrary password reset in Gridbox < 2.
CVE-2026-65885 9.4 CRITICAL Joomla Extension - balbooa.com - Authenticated arbitrary file upload in Gridbox < 2.20.2
CVE-2026-65889 9.2 CRITICAL Joomla Extension - balbooa.com - Unauthenticated recursive directory deletion in Gridbox <
CVE-2026-65890 9.2 CRITICAL Joomla Extension - balbooa.com - Unauthenticated SQL injection in Gridbox < 2.20.2
CVE-2026-66489 Joomla Extension - balbooa.com - Various unauthenticated file system disclosure in Gridbox
CVE-2026-66488 Joomla Extension - balbooa.com - Payment bypass in Gridbox < 2.20.2
CVE-2026-66490 Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridb
CVE-2026-65947 Joomla Extension - balbooa.com - Various CSRF vectors in the admin interface in Gridbox <

IV. Related Vulnerabilities

Same product: Gridbox extension for Joomla
Same vendor: balbooa.com
Same weakness: CWE-22

V. Comments for CVE-2026-65886

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