by Kastro
Paper/Archive/CVE-2026-115968

CVE-2026-115968

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

EPSS 0.4%CVSS 9.8
critical.is priorityof 100
36
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 35.0.350 × 207.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
Ultimate Member≤ 2.13.1–CNA

Scores by source

Patchstack (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

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