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CVE-2026-79996— User Registration & Membership < 5.2.6 - Authenticated Privilege Escalation via Login Settings

Quick assessment

Affected
Unknown User Registration & Membership
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.

User Registration & Membership WordPress 插件在 5.2.6 版本之前，在保存登录设置时未进行权限（capability）检查，导致拥有该插件管理权限但未授予完整管理员权限的已认证用户可以修改任意站点选项，从而将自身权限提升至管理员。

AI Predicted 8.8 Difficulty: Easy EPSS 0.14% · P4

Possible ATT&CK Techniques 1 AI

T1098.001 · Additional Cloud Credentials

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown User Registration & Membership < 5.2.6 affected
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I. Basic Information for CVE-2026-79996

Vulnerability Information
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Vulnerability Title
User Registration & Membership < 5.2.6 - Authenticated Privilege Escalation via Login Settings
Source: CVE Program / CVE List V5
Vulnerability Description
The User Registration & Membership WordPress plugin before 5.2.6 does not perform a capability check when saving its login settings, allowing authenticated users who have been granted a User Registration & Membership WordPress plugin before 5.2.6 management capability but not full administrator access to change arbitrary site options and escalate their privileges to administrator.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown User Registration & Membership 0 ~ 5.2.6 -

II. Public POCs for CVE-2026-79996

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III. Intelligence Information for CVE-2026-79996

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Vendor Advisories for CVE-2026-79996 (1)

Same Patch Batch · Unknown · 2026-08-28 · 11 CVEs total

CVE-2026-77701 WCFM Marketplace < 3.8.2 - Unauthenticated Refund Request Creation on Guest Orders
CVE-2026-19423 Ultimate Member 2.6.7 - 2.12.1 - Unauthenticated Privilege Escalation via Role Field on Pr
CVE-2026-79706 Breeze Cache < 2.5.13 - Unauthenticated File Creation via Cache Path Traversal
CVE-2026-79995 User Registration & Membership < 5.2.5 - Subscriber+ Pending Email Change Cancellation via
CVE-2026-79615 Quiz And Survey Master < 11.2.4 - Contributor+ Cross-Quiz Question Bank and Answer Key Dis
CVE-2026-19084 Shared Files < 1.7.70 - Unauthenticated Arbitrary File Read
CVE-2026-14567 WP User Frontend < 4.3.10 - Unauthenticated User Email and Phone Disclosure via User Direc
CVE-2026-14558 WP User Frontend < 4.3.10 - Editor+ PHP Object Injection via AI Form Builder
CVE-2026-12514 Shared Files < 1.7.70 - Unauthenticated Limited File Upload
CVE-2026-12513 Shared Files < 1.7.68 - Unauthenticated Arbitrary File Deletion via Path Traversal

IV. Related Vulnerabilities

Same product: User Registration & Membership
Same vendor: Unknown

V. Comments for CVE-2026-79996

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