Arbitrary file upload in AVideo - CVE-2026-28502
Published: April 8, 2026 / Updated: April 15, 2026
Vulnerability identifier: #VU125436
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-28502
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: World Wide Broadcast Network
Affected software:
AVideo
AVideo
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to unrestricted upload of file with dangerous type in the plugin upload/import functionality when processing uploaded plugin ZIP archives. A remote user can upload a specially crafted ZIP archive containing executable server-side files to execute arbitrary code.
The uploaded archive is extracted into a web-accessible plugin directory.
How to mitigate CVE-2026-28502
Install security update from vendor's website.