CVE-2026-48939: CWE-434: Unrestricted Upload of File with Dangerous Type in icagenda.com iCagenda extension for Joomla
A vulnerability in the iCagenda extension for Joomla allows the upload of arbitrary files in the file attachment feature, ultimately resulting in PHP code upload and execution.
AI Analysis
Technical Summary
The iCagenda extension for Joomla contains a vulnerability classified as CWE-434 (Unrestricted Upload of File with Dangerous Type) that permits attackers to upload arbitrary files, including PHP scripts, via the file attachment functionality. Successful exploitation results in remote code execution on the server hosting the vulnerable extension. The vulnerability affects versions 3.2.1 through 4.0.7. No official patch or remediation level has been published as of the data provided.
Potential Impact
An attacker can upload and execute arbitrary PHP code on the affected Joomla server, potentially leading to full system compromise, data theft, or service disruption. The vulnerability requires no privileges or user interaction and can be exploited remotely over the network, making it highly severe.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, it is recommended to disable or restrict the file attachment feature in the iCagenda extension to prevent arbitrary file uploads. Monitor vendor channels for updates and apply patches promptly once released.
CVE-2026-48939: CWE-434: Unrestricted Upload of File with Dangerous Type in icagenda.com iCagenda extension for Joomla
Description
A vulnerability in the iCagenda extension for Joomla allows the upload of arbitrary files in the file attachment feature, ultimately resulting in PHP code upload and execution.
CVSS v4.0
Score 10.0critical
Affected software
icagenda.com
iCagenda extension for Joomla
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The iCagenda extension for Joomla contains a vulnerability classified as CWE-434 (Unrestricted Upload of File with Dangerous Type) that permits attackers to upload arbitrary files, including PHP scripts, via the file attachment functionality. Successful exploitation results in remote code execution on the server hosting the vulnerable extension. The vulnerability affects versions 3.2.1 through 4.0.7. No official patch or remediation level has been published as of the data provided.
Potential Impact
An attacker can upload and execute arbitrary PHP code on the affected Joomla server, potentially leading to full system compromise, data theft, or service disruption. The vulnerability requires no privileges or user interaction and can be exploited remotely over the network, making it highly severe.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, it is recommended to disable or restrict the file attachment feature in the iCagenda extension to prevent arbitrary file uploads. Monitor vendor channels for updates and apply patches promptly once released.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Joomla
- Date Reserved
- 2026-05-26T16:47:13.549Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a3688de84ec8817ab09d1e8
Added to database: 06/20/2026, 12:34:38 UTC
Last enriched: 08/12/2026, 16:34:18 UTC
Last updated: 09/17/2026, 22:01:36 UTC
Views: 432
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