What is CVE-2026-39527?

CVE-2026-39527 is a medium-severity vulnerability in Sc Internet Vivoo Wpstream, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.4/10. Published 2026-06-15.

How severe is CVE-2026-39527?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Arbitrary file upload in Sc Internet Vivoo Wpstream

CVE-2026-39527

Subscriber Arbitrary File Upload in WpStream < 4.11.2 versions.

Vulnerability class: Unrestricted File Upload

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Sc Internet Vivoo Wpstream — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-39527?: CVE-2026-39527 is a medium-severity vulnerability in Sc Internet Vivoo Wpstream, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.4/10. Published 2026-06-15.
How severe is CVE-2026-39527?: Medium severity. CVSS v3 base score is 5.4 out of 10.