CVE-2026-39526

MEDIUM 5.4

WordPress WpStream plugin < 4.11.2 - Insecure Direct Object References (IDOR) vulnerability

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

Authorization Bypass Through User-Controlled Key vulnerability in wpstream WpStream wpstream allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WpStream: from n/a through < 4.11.2.

CWE	CWE-639
Vendor	wpstream
Product	wpstream
Published	Apr 8, 2026
Last Updated	Apr 29, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

Affected Versions

wpstream / WpStream

0 ≤ 4.11.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/wpstream/vulnerability/wordpress-wpstream-plugin-4-11-2-insecure-direct-object-references-idor-vulnerability?_s_id=cve

Credits

Muhammad Sharief | Patchstack Bug Bounty Program