CVE-2026-39527

WordPress WpStream plugin < 4.11.2 - Arbitrary File Upload vulnerability

State: Published
Severity: 5.4 Medium
Published: Jun 15, 2026
Updated: Jun 15, 2026
Reserved: Apr 7, 2026

Description

Subscriber Arbitrary File Upload in WpStream < 4.11.2 versions.

Scores

CVSS	Score	Vector	Source
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L	Patchstack

Weaknesses

CWE-434 Unrestricted Upload of File with Dangerous Type

Affected Products

Product	Versions
WpStreamsc Internet Vivoo	before 4.11.2Affectedfrom 4.11.2Not affected

References

https://patchstack.com/database/wordpress/plugin/wpstream/vulnerability/wordpress-wpstream-plugin-4-11-2-arbitrary-file-upload-vulnerability?_s_id=cvevdb-entry

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