5.3
MEDIUM CVSS 3.1
CVE-2026-39659
WordPress Ultimate Member plugin <= 2.11.3 - Broken Access Control vulnerability
Description

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

INFO

Published Date :

April 8, 2026, 9:16 a.m.

Last Modified :

April 21, 2026, 11:16 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-39659 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ultimatemember ultimate_member
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update Ultimate Member to the latest version to fix access control vulnerabilities.
  • Update Ultimate Member plugin to version 2.11.4 or later.
  • Verify access control configurations.
  • Test authorization rules.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-39659 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-39659 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Rejected by [email protected]

    Apr. 21, 2026

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 21, 2026

    Action Type Old Value New Value
    Changed Description Missing Authorization vulnerability in Ultimate Member Ultimate Member ultimate-member allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Ultimate Member: from n/a through <= 2.11.3. Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
    Removed CVSS V3.1 CISA-ADP: AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    Removed CWE Patchstack: CWE-862
    Removed Reference Patchstack: https://patchstack.com/database/Wordpress/Plugin/ultimate-member/vulnerability/wordpress-ultimate-member-plugin-2-11-2-broken-access-control-vulnerability?_s_id=cve
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Apr. 09, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  • New CVE Received by [email protected]

    Apr. 08, 2026

    Action Type Old Value New Value
    Added Description Missing Authorization vulnerability in Ultimate Member Ultimate Member ultimate-member allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Ultimate Member: from n/a through <= 2.11.3.
    Added CWE CWE-862
    Added Reference https://patchstack.com/database/Wordpress/Plugin/ultimate-member/vulnerability/wordpress-ultimate-member-plugin-2-11-2-broken-access-control-vulnerability?_s_id=cve
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.