Medium severity · published Oct 9, 2026
CVE-2026-96539
WordPress Ultimate Member plugin <= 2.13.1 - Privilege Escalation vulnerability
5.6
CVSS
0.1%
EPSS
No
On KEV
Description
Incorrect Privilege Assignment vulnerability in Ultimate Member Ultimate Member ultimate-member allows Privilege Escalation.This issue affects Ultimate Member: from n/a through 2.13.1.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UM
Ultimate Member · Ultimate Member
through 2.13.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-96539
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-96539
vdb-entry
https://patchstack.com/database/wordpress/plugin/ultimate-member/vulnerability/wordpress-ultimate-member-plugin-2-13-1-privilege-escalation-vulnerability-2?_s_id=cve
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