Improper Access Control in Joomla Extension by Tabaoca
CVE-2026-67284

5.3MEDIUM

Key Information:

Vendor
CVE Published:
12 August 2026

What is CVE-2026-67284?

The Joomla extension from Tabaoca exhibits an improper implementation of Access Control Lists (ACL), allowing authenticated users to execute unauthorized file operations, such as reading, deleting, and overwriting files that belong to other users. This vulnerability affects versions of Cotton Cloud below 2.0.3, posing significant security risks if left unaddressed.

Affected Version(s)

Cotton Cloud extension for Joomla 1.0.0-2.0.2

References

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Phil Taylor
.