CVE-2026-21628
Remote Code Execution via Unsecured File Upload in Joomla
Publication date: 2026-03-05
Last updated on: 2026-03-13
Assigner: Joomla! Project
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| templaza | astroid_framework | From 2.0.0 (inc) to 3.3.10 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-434 | The product allows the upload or transfer of dangerous file types that are automatically processed within its environment. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves an improperly secured file management feature that allows unauthenticated users to upload dangerous types of data. Because of this, attackers can upload malicious files that lead to remote code execution on the affected system.
How can this vulnerability impact me? :
The vulnerability can have severe impacts including allowing attackers to execute arbitrary code remotely without any authentication. This can lead to full system compromise, data theft, service disruption, or further attacks within the network.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know