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CVE-2026-8760— Login with OTP <= 1.6 - Unauthenticated Authentication Bypass via OTP Brute Force

CVSS 9.8 · Critical EPSS 0.60% · P44

Affected Version Matrix 1

VendorProductVersion RangeStatus
india-web-developerLogin with OTP<= 1.6affected
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I. Basic Information for CVE-2026-8760

Vulnerability Information
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Vulnerability Title
Login with OTP <= 1.6 - Unauthenticated Authentication Bypass via OTP Brute Force
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Login with OTP plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 1.6. This is due to an incomplete fix for CVE-2024-11178: the rate-limit/lockout check added to `otpl_login_action()` was placed only inside the OTP-generation branch and is never evaluated on the OTP-validation branch, and the generated 6-digit OTP additionally has no expiration. This makes it possible for unauthenticated attackers to brute-force the 900,000-value OTP space for any user account (including administrators) and obtain a valid `wp_set_auth_cookie()` session, leading to full site compromise.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
过多认证尝试的限制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Login with OTP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Login with OTP 1.6及之前版本存在安全漏洞，该漏洞源于对CVE-2024-11178的修复不完整，速率限制检查仅位于OTP生成分支且OTP无过期时间，可能导致未认证攻击者暴力破解OTP空间并获取有效会
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

VendorProductAffected VersionsCPESubscribe
india-web-developerLogin with OTP <= 1.6 -

II. Public POCs for CVE-2026-8760

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III. Intelligence Information for CVE-2026-8760

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Patches & Fixes for CVE-2026-8760 (5)

Vendor Advisories for CVE-2026-8760 (2)

Other References for CVE-2026-8760 (1)

IV. Related Vulnerabilities

Same product: Login with OTP
Same vendor: india-web-developer
Same weakness: CWE-307

V. Comments for CVE-2026-8760

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