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CVE-2026-67284— Joomla Extension - tabaoca.org - Improper ACL checks allow file operations in Cotton Cloud < 2.0.2

Quick assessment

Affected
tabaoca.org Cotton Cloud 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.

Tabaoca Cotton Cloud是Tabaoca公司的一个基于数据库存储并支持文件上传、管理、共享、预览及在线编辑的Joomla扩展。 Tabaoca Cotton Cloud 1.0.0版本至2.0.2版本存在权限许可和访问控制问题漏洞，该漏洞源于访问控制实现不当，可能导致已认证用户对其他用户拥有的文件执行读取、删除、覆盖和重新分配权限等操作。

CVSS 5.3 · Medium EPSS 0.35% · P27

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
tabaoca.org Cotton Cloud extension for Joomla 1.0.0-2.0.2 affected
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I. Basic Information for CVE-2026-67284

Vulnerability Information
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Vulnerability Title
Joomla Extension - tabaoca.org - Improper ACL checks allow file operations in Cotton Cloud < 2.0.2
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - tabaoca.org - Improper ACL implementation allows file operations in Cotton Cloud < 2.0.3 - Authenticated users could perform various file-related operations (read, delete, overwrite, re-assign permissions) on files owned by other users.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/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
Vulnerability Title
Tabaoca Cotton Cloud 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tabaoca Cotton Cloud是Tabaoca公司的一个基于数据库存储并支持文件上传、管理、共享、预览及在线编辑的Joomla扩展。 Tabaoca Cotton Cloud 1.0.0版本至2.0.2版本存在权限许可和访问控制问题漏洞，该漏洞源于访问控制实现不当，可能导致已认证用户对其他用户拥有的文件执行读取、删除、覆盖和重新分配权限等操作。
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
tabaoca.org Cotton Cloud extension for Joomla 1.0.0-2.0.2 -

II. Public POCs for CVE-2026-67284

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-67284

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Security Blog Posts for CVE-2026-67284 (1)

IV. Related Vulnerabilities

Same product: Cotton Cloud extension for Joomla
Same vendor: tabaoca.org
Same weakness: CWE-284

V. Comments for CVE-2026-67284

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