CVE-2026-100518— WordPress Advanced Google reCAPTCHA plugin <= 5.40 - Broken Authentication vulnerability
Quick assessment
Affected
WebFactory Advanced Google reCAPTCHA
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.
“在高级 Google reCAPTCHA 的版本 <= 5.40 中，存在未认证的身份验证失效漏洞。”
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-100518
Vulnerability Information
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Vulnerability Title
WordPress Advanced Google reCAPTCHA plugin <= 5.40 - Broken Authentication vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Broken Authentication in Advanced Google reCAPTCHA <= 5.40 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:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| WebFactory | Advanced Google reCAPTCHA | n/a ~ 5.40 | - |
|
II. Public POCs for CVE-2026-100518
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-100518 (1)
IV. Related Vulnerabilities
Same product: Advanced Google reCAPTCHA
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CVE-2026-5415
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CVE-2026-5411
WP Captcha PRO <= 5.38 - Missing Authorization to Authentica -
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Advanced Google reCAPTCHA <= 1.29 - Authenticated (Subscribe -
CVE-2025-1262
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CVE-2024-12034
Advanced Google reCAPTCHA <= 1.25 - Brute Force Protection I
Same vendor: WebFactory
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Same weakness: CWE-288
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V. Comments for CVE-2026-100518
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