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CVE-2026-105607— Joomla Extension - balbooa.com - Unauthenticated stored XSS in the "Recent Comments / Recent Reviews" widget in Gridbox < 2.20.5.0

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 扩展组件 - balbooa.com - Gridbox 版本低于 2.20.5.0 中，“最新评论/最新评价”小部件存在无需认证的存储型跨站脚本（XSS）漏洞。

CVSS 8.6 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
balbooa.com Gridbox extension for Joomla 1.0.0-2.20.4.2 affected
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I. Basic Information for CVE-2026-105607

Vulnerability Information
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Vulnerability Title
Joomla Extension - balbooa.com - Unauthenticated stored XSS in the "Recent Comments / Recent Reviews" widget in Gridbox < 2.20.5.0
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - balbooa.com - Unauthenticated stored XSS in the "Recent Comments / Recent Reviews" widget in Gridbox < 2.20.5.0
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
balbooa.com Gridbox extension for Joomla 1.0.0-2.20.4.2 -

II. Public POCs for CVE-2026-105607

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-105607

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Vendor Pages for CVE-2026-105607 (1)

Same Patch Batch · balbooa.com · 2026-11-05 · 4 CVEs total

CVE-2026-107903 8.6 HIGH Joomla Extension - balbooa.com - Stored XSS in reviews via inconsistent sanitization in Gr
CVE-2026-107129 8.3 HIGH Joomla Extension - balbooa.com - Unauthenticated arbitrary file deletion via path traversa
CVE-2026-107130 6.9 MEDIUM Joomla Extension - balbooa.com - Unauthenticated deletion of submission/field files in Gri

IV. Related Vulnerabilities

Same product: Gridbox extension for Joomla
Same vendor: balbooa.com
Same weakness: CWE-79