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CVE-2026-14291— Security Ninja (Premium) < 5.290 - Two-Factor Authentication Bypass via secnin_skip_2fa

Quick assessment

Affected
Unknown security-ninja-premium
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.

cleverplugins Security Ninja – WordPress Security & Firewall是cleverplugins个人开发者的WordPress安全与防火墙插件。 cleverplugins Security Ninja – WordPress Security & Firewall 5.290之前版本存在授权问题漏洞，该漏洞源于未验证双因素身份验证中的第二个身份验证因素，导致知道用户密码的未经验证攻击者无需一次性代码即可完成身份验证，绕过强制双因素身份验证。

AI Predicted 9.1 Difficulty: Easy EPSS 0.53% · P43

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown security-ninja-premium < 5.290 affected
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I. Basic Information for CVE-2026-14291

Vulnerability Information
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Vulnerability Title
Security Ninja (Premium) < 5.290 - Two-Factor Authentication Bypass via secnin_skip_2fa
Source: CVE Program / CVE List V5
Vulnerability Description
The security-ninja-premium WordPress plugin before 5.290 does not verify the second authentication factor in one of its two-factor authentication code paths, allowing an unauthenticated attacker who knows a user's password to complete authentication without the one-time code and bypass enforced two-factor authentication for any account, including administrators. The affected two-factor module ships only in the premium build.
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
Vulnerability Title
cleverplugins Security Ninja – WordPress Security & Firewall 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
cleverplugins Security Ninja – WordPress Security & Firewall是cleverplugins个人开发者的WordPress安全与防火墙插件。 cleverplugins Security Ninja – WordPress Security & Firewall 5.290之前版本存在授权问题漏洞，该漏洞源于未验证双因素身份验证中的第二个身份验证因素，导致知道用户密码的未经验证攻击者无需一次性代码即可完成身份验证，绕过强制双因素身份验证。
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
Unknown security-ninja-premium 0 ~ 5.290 -

II. Public POCs for CVE-2026-14291

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III. Intelligence Information for CVE-2026-14291

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News Coverage for CVE-2026-14291 (1)

Same Patch Batch · Unknown · 2026-07-23 · 4 CVEs total

CVE-2026-12082 Praison AI SEO < 5.0.7 - Unauthenticated Multiple Missing Authorization (Post Permalink Mo
CVE-2026-9066 WP Compress < 7.10.04 - Reflected XSS via test_zone
CVE-2026-9577 Post Status Notifier Lite < 1.13.0 - Reflected XSS via mod Parameter

IV. Related Vulnerabilities

Same vendor: Unknown

V. Comments for CVE-2026-14291

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