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No exploitation reportedFix available

CVE-2020-36156

No exploitation reported by the sources we read.

  • Published2021-01-04
  • Fixed in2.1.12
  • WeaknessCWE-269

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2021-01-0418:15CVE publishedNVD

Versions per branch

NVD
Ultimatemember ultimate member
BranchAffectedFixed in
2.1< 2.1.122.1.12

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Ultimatemember ultimate member to 2.1.12

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.19.9known since 2026-10-23
  • NVDCVSS 3.18.8read 2026-10-23
  • NVDCVSS 2.06.5read 2026-10-23
  • NVDweakness (CWE)CWE-269read 2026-10-23
  • FIRST EPSSEPSS score2.1 %2026-11-08
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2021-01-04
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-v28v-ph75-h265

Frequently asked questions

What is CVE-2020-36156?

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.

Is CVE-2020-36156 actively exploited?

Active exploitation of CVE-2020-36156 has not been confirmed. Its EPSS score was 2.1% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-36156?

CVE-2020-36156 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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