Arbitrary File Upload Vulnerability in iCagenda Extension for Joomla
CVE-2026-48939

10CRITICAL

Key Information:

Vendor
CVE Published:
20 June 2026

What is CVE-2026-48939?

A vulnerability in the iCagenda extension for Joomla permits unauthorized users to upload arbitrary files through the file attachment feature. This flaw can lead to the upload and subsequent execution of malicious PHP code, potentially compromising the security of the affected Joomla installations.

Affected Version(s)

iCagenda extension for Joomla 1.0.0-3.9.14

iCagenda extension for Joomla 4.0.0-4.0.7

References

CVSS V4

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Phil Taylor
.