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WordPress plugin

Ultimate Member < 2.0.4 — Insecure Direct Object Reference

CVE-2018-0590Published · Updated

Action summary

Affected: <2.0.4Update to 2.0.4 or newer

All remediation steps
Watch plugin
Severity
Medium4.3
CVSS
4.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-639 Authorization Bypass Through User-Controlled Key
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin ultimate-member

  1. Affected< 2.0.4
  2. Patched in2.0.4

Update to 2.0.4 or newer.

You are affected if you run < 2.0.4. Version 2.0.4 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 2.0.4, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Gen Sato.

The Ultimate Member plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions prior to version 2.0.4. This is due to bypass access restriction via unspecified vectors. This makes it possible for authenticated attackers to modify the other users profiles via unspecified vectors.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin

All 87
More vulnerabilities in Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin
SeverityVulnerabilityCVEPublished
Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting via Custom Textarea Profile Field
≤2.14.1Update to 2.14.2
CVE-2026-116621
Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting via 'user_url' Profile Field
≤2.14.0Update to 2.14.1
CVE-2026-107625
High8.1Unauthenticated PHP Object Injection
≤2.13.1Update to 2.14.0
CVE-2026-115968
High7.5Missing Authorization to Unauthenticated Sensitive Profile Field Disclosure via Member Directory Field Privacy Bypass
≤2.13.1Update to 2.14.0
CVE-2026-93428
High7.2Unauthenticated Stored Cross-Site Scripting via 'form_id' Parameter
≤2.13.1Update to 2.14.0
CVE-2026-96270

Timeline

  1. CVE published

    Severity medium, CVSS 4.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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