Ultimate Member <= 2.1.11 — Authenticated Privilege Escalation via Profile Update
CVE-2020-36156Published · Updated Action summary
Affected: <2.1.12Update to 2.1.12 or newer
All remediation steps- Severity
- Critical9.9
- CVSS
- 9.9CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:CScope- Changed
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Weakness
- CWE-269 Privilege Escalation
- 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
- Affected< 2.1.12
- Patched in2.1.12
Update to 2.1.12 or newer.
You are affected if you run < 2.1.12. Version 2.1.12 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
- Update to version 2.1.12, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- 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 Chloe Chamberland.
An issue was discovered in the Ultimate Member plugin before 2.1.12 for WordPress, aka Authenticated Privilege Escalation via Profile Update. Any user with wp-admin access to the profile.php page could supply the parameter um-role with a value set to any role (e.g., Administrator) during a profile update, and effectively escalate their privileges.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin
All 87| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.4 | Authenticated (Subscriber+) Stored Cross-Site Scripting via Custom Textarea Profile Field ≤2.14.1Update to 2.14.2 | CVE-2026-116621 | |
| Medium6.4 | Authenticated (Subscriber+) Stored Cross-Site Scripting via 'user_url' Profile Field ≤2.14.0Update to 2.14.1 | CVE-2026-107625 | |
| High8.1 | Unauthenticated PHP Object Injection ≤2.13.1Update to 2.14.0 | CVE-2026-115968 | |
| High7.5 | Missing Authorization to Unauthenticated Sensitive Profile Field Disclosure via Member Directory Field Privacy Bypass ≤2.13.1Update to 2.14.0 | CVE-2026-93428 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting via 'form_id' Parameter ≤2.13.1Update to 2.14.0 | CVE-2026-96270 |
- Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting via Custom Textarea Profile Field
≤2.14.1Update to 2.14.2
- Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting via 'user_url' Profile Field
≤2.14.0Update to 2.14.1
- High8.1Unauthenticated PHP Object Injection
≤2.13.1Update to 2.14.0
- High7.5Missing Authorization to Unauthenticated Sensitive Profile Field Disclosure via Member Directory Field Privacy Bypass
≤2.13.1Update to 2.14.0
- High7.2Unauthenticated Stored Cross-Site Scripting via 'form_id' Parameter
≤2.13.1Update to 2.14.0
Same weakness (Privilege Escalation)
All Privilege Escalation| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity critical, CVSS 9.9
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. 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.