CVE-2026-115968

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

State: Published
Severity: 9.8 Critical
Published: Oct 28, 2026
Updated: Oct 28, 2026
Reserved: Oct 24, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Patchstack

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
Ultimate MemberUltimate Member	2.13.1 and earlierAffectedfrom 2.14.0Not affected

References

https://patchstack.com/database/wordpress/plugin/ultimate-member/vulnerability/wordpress-ultimate-member-plugin-2-13-1-php-object-injection-vulnerability?_s_id=cvevdb-entry

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