CVE-2026-39527CWE-434

WordPress WpStream plugin < 4.11.2 - Arbitrary File Upload vulnerability

Medium · published June 15, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
23.0
In the wild
Unconfirmed
What it is

Subscriber Arbitrary File Upload in WpStream < 4.11.2 versions.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00313 · 23.0th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-06-15T20:18Z
EPSS history
Timeline
  • 15 JUN 20:18Z
    WordPress WpStream plugin < 4.11.2 - Arbitrary File Upload vulnerability
    cvelistv5