CVE-2026-39527

WordPress WpStream plugin < 4.11.2 - Arbitrary File Upload vulnerability

CVSS 5.4 MEDIUMEPSS 0.3%CWE-434

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.4EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

15 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Subscriber Arbitrary File Upload in WpStream < 4.11.2 versions.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Affected products

References