CVE-2026-115968

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

CRITICAL 9.8

At a glance

Source: CVE.org
State: PUBLISHED
Published: 2026-10-28 14:02 UTC
Updated: 2026-10-28 16:07 UTC
Assigner: Patchstack

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.

Weaknesses (CWE)

CWE-502 — Deserialization of Untrusted Data

References

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

Scores

Version	Score	Vector	Scored by
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Patchstack

European references

ENISA EUVD · EUVD-2026-112120
GCVE · GCVE-0-2026-115968

Affected products

Product	Versions
Ultimate Member · Ultimate Member	affected 0 ≤ 2.13.1

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
ENISA EUVD	ENISA — reproduction authorised, source acknowledged