CVE-2026-115968 WordPress Ultimate Member plugin <= 2.13.1 - PHP Object Injection vulnerability

CriticalCVSS 9.8 EPSS 0.41%

Published: 2026-10-28 16:02
Updated: 2026-11-03 21:29
Exploit status: No public exploit known

Description

Deserialization of Untrusted Data vulnerability in Ultimate Member Ultimate Member ultimate-member allows Object Injection.This issue affects Ultimate Member: from n/a through 2.13.1.

Affected products

Product	Affected versions	Fixed in
Ultimate Member	< 2.14.0	2.14.0
wordpress ultimate-member(WordPress)	< 2.14.0	2.14.0

References

patchstack.com vdb-entry
Wordfence Intelligence third-party-advisory
www.cve.org

CVSS v3.1

9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

All scores (3)

v3.1 9.8 · patchstack
v3.1 8.1 · wordfence
v3.1 9.8 · audit@patchstack.com

Weakness & likelihood

EPSS (exploitation probability, 30 days): 0.41% (percentile 35.6)
CWE: CWE-502 Deserialization of Untrusted Data

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

No public exploit references known.