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01 Record

CVE-2026-96451

WordPress Ultimate Member plugin <= 2.13.1 - Privilege Escalation vulnerability

HighPUBLISHEDCNA: Patchstack
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

02 Description

WordPress Ultimate Member plugin <= 2.13.1 - Privilege Escalation vulnerability

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Received. NVD last modified this record on 2026-10-03.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-03 15:08Z7 HR AGO
Last updated
2026-10-03 15:08Z7 HR AGO
Reserved
2026-09-23
Assigning CNA
Patchstack
Record state
PUBLISHED
Severity
High (CVSS 8.8)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-639Authorization Bypass Through User-Controlled KeyBase
Data version
5.2
Document digest
5c288f224eab1f1746ec00a84dc49d002c72a6bf8642f2d7d8fc8d262778d951

05 Affected products

VendorProductVersionsPlatforms
Ultimate MemberUltimate Member0 to 2.13.1—

06 References

07 Remediation

Update the WordPress Ultimate Member plugin to the latest available version (at least 2.14.0).