Arbitrary file upload in Astroidframe.work Astroid Template Framework
CVE-2026-21628
A improperly secured file management feature allows uploads of dangerous data types for unauthenticated users, leading to remote code execution.
Vulnerability class: Unrestricted File Upload
EPSS: 0.005 (38.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Astroidframe.work Astroid Template Framework — versions 2.0.0-3.3.10
- Templaza Astroid_framework
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@joomla.org (Product, product)
Frequently asked questions
- What is CVE-2026-21628?
- CVE-2026-21628 is a critical-severity vulnerability in Astroidframe.work Astroid Template Framework, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-03-05.
- How severe is CVE-2026-21628?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2026-21628 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.