CVE-2026-103347— WordPress hCaptcha for WP plugin <= 5.3.0 - Bypass Vulnerability vulnerability
Quick assessment
Affected
hcaptcha hCaptcha for WP
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.
hCaptcha for WP 插件在 5.3.0 及更早版本中存在未经身份验证的绕过漏洞。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-103347
Vulnerability Information
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Vulnerability Title
WordPress hCaptcha for WP plugin <= 5.3.0 - Bypass Vulnerability vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Bypass Vulnerability in hCaptcha for WP <= 5.3.0 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
使用欺骗进行的认证绕过
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| hcaptcha | hCaptcha for WP | n/a ~ 5.3.0 | - |
|
II. Public POCs for CVE-2026-103347
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-103347 (1)
IV. Related Vulnerabilities
Same weakness: CWE-290
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V. Comments for CVE-2026-103347
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