CVE-2026-39444 PUBLISHED

WordPress PublishPress Series plugin <= 3.1.3 - Insecure Direct Object References (IDOR) vulnerability

Assigner: Patchstack
Reserved: 07.04.2026 Published: 02.10.2026 Updated: 02.10.2026

Authorization Bypass Through User-Controlled Key vulnerability in PublishPress PublishPress Series organize-series allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects PublishPress Series: from n/a through 3.1.3.

Metrics

CVSS 3.1

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

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	PublishPress
Product	PublishPress Series
Versions	Default: unaffected affected from 0 to 3.1.3 (incl.)

Solutions

Update the WordPress PublishPress Series plugin to the latest available version (at least 3.1.4).

Credits

dcs | Patchstack Bug Bounty Program finder

References

https://patchstack.com/database/wordpress/plugin/organize-series/vulnerability/wordpress-publishpress-series-plugin-3-1-3-insecure-direct-object-references-idor-vulnerability?_s_id=cve

Problem Types

Authorization Bypass Through User-Controlled Key CWE

Impacts

Exploiting Incorrectly Configured Access Control Security Levels