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CVE-2026-79995— User Registration & Membership < 5.2.5 - Subscriber+ Pending Email Change Cancellation via IDOR

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.

在 5.2.5 版本之前，User Registration & Membership WordPress 插件未验证正在取消待处理邮箱变更的账户是否属于发起请求的用户。这使得具有订阅者（Subscriber）及以上权限的已认证用户可以取消任何其他用户（包括管理员）正在进行中的邮箱变更操作。

AI Predicted 5.0 Difficulty: Easy EPSS 0.14% · P4

Possible ATT&CK Techniques 2 AI

T1078 · Valid Accounts T1531.001

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown User Registration & Membership < 5.2.5 affected
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I. Basic Information for CVE-2026-79995

Vulnerability Information
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Vulnerability Title
User Registration & Membership < 5.2.5 - Subscriber+ Pending Email Change Cancellation via IDOR
Source: CVE Program / CVE List V5
Vulnerability Description
The User Registration & Membership WordPress plugin before 5.2.5 does not verify that the account whose pending email change is being cancelled belongs to the user making the request, allowing authenticated users with Subscriber-level access and above to cancel any other user's in-progress email change, including an administrator's.
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 ~ 5.2.5 -

II. Public POCs for CVE-2026-79995

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III. Intelligence Information for CVE-2026-79995

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Other References for CVE-2026-79995 (1)

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

CVE-2026-79996 User Registration & Membership < 5.2.6 - Authenticated Privilege Escalation via Login Sett
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-2026-79615 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-2026-79995

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