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

CVSS 3.1 5.4 MEDIUMCheck source for fixed versionsKEV status unknown

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-39444

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-39444

Published

organize-series

https://wordpress.org/plugins

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "PublishPress",
                    "product": "PublishPress Series",
                    "packageName": "organize-series",
                    "collectionURL": "https://wordpress.org/plugins",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "versionType": "custom",
                            "status": "affected",
                            "lessThanOrEqual": "3.1.3",
                            "changes": [
                                {
                                    "at": "3.1.4",
                                    "status": "unaffected"
                                }
                            ]
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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Sources read 12 Nov 16:29 UTC · 265 of 275 readable · 263 fully read · documentation 469/469 current