CVE-2026-42663— WordPress Simple Membership plugin <= 4.7.2 - Cross Site Scripting (XSS) vulnerability
Possible ATT&CK Techniques 1AI
T1059 · Command and Scripting InterpreterAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| wp.insider | Simple Membership | n/a≤ 4.7.2 | affected |
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I. Basic Information for CVE-2026-42663
Vulnerability Information
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Vulnerability Title
WordPress Simple Membership plugin <= 4.7.2 - Cross Site Scripting (XSS) vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Unauthenticated Cross Site Scripting (XSS) in Simple Membership <= 4.7.2 versions.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
wp.insider Simple Membership 跨站脚本漏洞
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 4.7.2及之前版本存在跨站脚本漏洞，该漏洞源于容易受到跨站脚本攻击。
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 ~ 4.7.2 | - |
II. Public POCs for CVE-2026-42663
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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News Coverage for CVE-2026-42663 (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-2026-34886 | 7.5 HIGH | WordPress Simple Membership plugin <= 4.7.1 - Broken Access Control vulnerability |
IV. Related Vulnerabilities
Same product: Simple Membership
- CVE-2026-12093
Simple Membership <= 4.7.5 - Missing Authorization to Unauth - CVE-2026-34886
WordPress Simple Membership plugin <= 4.7.1 - Broken Access - CVE-2026-1461
Simple Membership <= 4.7.0 - Unauthenticated Improper Handli - CVE-2026-25308
WordPress Simple Membership plugin <= 4.6.9 - Broken Access - CVE-2025-49333
WordPress Simple Membership plugin <= 4.6.3 - Cross Site Scr
Same vendor: wp.insider
- CVE-2026-52692
WordPress Affiliates Manager plugin <= 2.9.50 - Sensitive Da - CVE-2026-34886
WordPress Simple Membership plugin <= 4.7.1 - Broken Access - CVE-2026-25308
WordPress Simple Membership plugin <= 4.6.9 - Broken Access - CVE-2026-24986
WordPress Simple Membership WP user Import plugin <= 1.9.1 - - CVE-2025-49333
WordPress Simple Membership plugin <= 4.6.3 - Cross Site Scr
Same weakness: CWE-79
- CVE-2026-12621
Cross-Site Scripting (XSS) Vulnerability in Password Reset R - CVE-2026-12619
GridTime™ 3000 GNSS Time Server CSRF to XSS - CVE-2026-12430
Blocksy Companion <= 2.1.45 - Authenticated (Editor+) Stored - CVE-2026-12157
BetterDocs <= 4.5.3 - Authenticated (Contributor+) Stored Cr - CVE-2026-1856
Appointment Booking Calendar <= 1.4.4 - Authenticated (Autho
V. Comments for CVE-2026-42663
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