CVE-2026-96539— WordPress Ultimate Member plugin <= 2.13.1 - Privilege Escalation vulnerability
Quick assessment
Affected
Ultimate Member Ultimate Member
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 Ultimate Member 插件中发现了“权限分配错误”漏洞。Ultimate Member（版本号为 ultimate-member）允许发生权限提升。该问题影响 Ultimate Member 的以下版本：从未知版本（n/a）至 2.13.1 版本。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1078 · Valid Accounts
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I. Basic Information for CVE-2026-96539
Vulnerability Information
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Vulnerability Title
WordPress Ultimate Member plugin <= 2.13.1 - Privilege Escalation vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
特权授予不正确
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Ultimate Member | Ultimate Member | 0 ~ 2.13.1 | - |
|
II. Public POCs for CVE-2026-96539
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-96539 (1)
IV. Related Vulnerabilities
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V. Comments for CVE-2026-96539
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