Vulnerability · Published Oct 2, 2026 · Assigned by Patchstack
CVE-2026-39444WordPress PublishPress Series plugin <= 3.1.3 - Insecure Direct Object References (IDOR) vulnerability
Medium 5.4
In plain English
A medium-severity authorization bypass via user-controlled key in PublishPress Series from PublishPress. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 91.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PublishPress | PublishPress Series | 0 – through 3.1.3 |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L