CVE-2026-34886— WordPress Simple Membership plugin <= 4.7.1 - Broken Access Control vulnerability
Quick assessment
Affected
wp.insider Simple 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.
Simple Membership是wp.insider个人开发者的一个WordPress网站会员管理插件。 wp.insider Simple Membership 4.7.1及之前版本存在授权问题漏洞，该漏洞源于访问控制失效，可能导致未经身份验证的攻击者越权操作。
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| wp.insider | Simple Membership | n/a≤ 4.7.1 |
affected |
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I. Basic Information for CVE-2026-34886
Vulnerability Information
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Vulnerability Title
WordPress Simple Membership plugin <= 4.7.1 - Broken Access Control vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Broken Access Control in Simple Membership <= 4.7.1 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
wp.insider Simple Membership 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Simple Membership是wp.insider个人开发者的一个WordPress网站会员管理插件。 wp.insider Simple Membership 4.7.1及之前版本存在授权问题漏洞，该漏洞源于访问控制失效，可能导致未经身份验证的攻击者越权操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| wp.insider | Simple Membership | n/a ~ 4.7.1 | - |
|
II. Public POCs for CVE-2026-34886
| # | POC Description | Source Link | Shenlong Link |
|---|
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Security Blog Posts for CVE-2026-34886 (1)
Same Patch Batch · wp.insider · 2026-06-15 · 3 CVEs total
| CVE-2026-52692 | 7.5 HIGH | WordPress Affiliates Manager plugin <= 2.9.50 - Sensitive Data Exposure vulnerability |
| CVE-2026-42663 | 6.5 MEDIUM | WordPress Simple Membership plugin <= 4.7.2 - Cross Site Scripting (XSS) vulnerability |
IV. Related Vulnerabilities
Same product: Simple Membership
-
CVE-2026-88785
Simple Membership < 4.8.3 - Newly Registered Member Password -
CVE-2026-103427
Simple Membership <= 4.8.4 - Authenticated (Subscriber+) Sto -
CVE-2026-97337
Simple Membership <= 4.8.3 - Missing Authorization to Unauth -
CVE-2026-74000
WordPress Simple Membership plugin <= 4.8.2 - Broken Access -
CVE-2026-88764
Simple Membership < 4.7.8 - Subscriber+ Membership Level Esc
Same vendor: wp.insider
-
CVE-2026-74000
WordPress Simple Membership plugin <= 4.8.2 - Broken Access -
CVE-2026-73358
WordPress Affiliates Manager plugin <= 2.9.53 - Cross Site S -
CVE-2026-73355
WordPress Affiliates Manager plugin <= 2.9.53 - SQL Injectio -
CVE-2026-66712
WordPress Simple Membership plugin <= 4.7.8 - Broken Access -
CVE-2026-57654
WordPress Affiliates Manager plugin <= 2.9.49 - Broken Acces
Same weakness: CWE-862
-
CVE-2026-108891
JeecgBoot through 3.9.5 Missing Authorization via /sys/user/ -
CVE-2026-108888
JeecgBoot through 3.9.5 Missing Authorization via /sys/sysDe -
CVE-2026-108887
JeecgBoot through 3.9.5 Missing Authorization via /sys/comme -
CVE-2026-108886
JeecgBoot through 3.9.5 Missing Authorization via /sys/user/ -
CVE-2026-108885
JeecgBoot through 3.9.5 Missing Authorization via /sys/messa
V. Comments for CVE-2026-34886
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