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CVE-2026-15985— Classified Listing - Mobile Number Verification <= 1.6.0 - Unauthenticated Authentication Bypass via Firebase OTP Login

Quick assessment

Affected
RadiusTheme Classified Listing - Mobile Number Verification
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.

RadiusTheme Classified Listing - Mobile Number Verification是RadiusTheme公司的一款分类列表的移动号码验证插件。 RadiusTheme Classified Listing - Mobile Number Verification 1.6.0及之前版本存在授权问题漏洞，该漏洞源于process_otp_login函数缺少服务端Firebase OTP验证，可能导致未经身份验证的攻击者通过提交任意OTP代码和UID绕过身份验证，实现账户接

CVSS 8.1 · High EPSS 0.54% · P46

Affected Version Matrix 1

VendorProduct Version RangeStatus
RadiusTheme Classified Listing - Mobile Number Verification ≤ 1.6.0 affected
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I. Basic Information for CVE-2026-15985

Vulnerability Information
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Vulnerability Title
Classified Listing - Mobile Number Verification <= 1.6.0 - Unauthenticated Authentication Bypass via Firebase OTP Login
Source: CVE Program / CVE List V5
Vulnerability Description
The Classified Listing - Mobile Number Verification plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 1.6.0. This is due to missing server-side Firebase OTP validation in the process_otp_login() function. This makes it possible for unauthenticated attackers to authenticate as any user with a phone number registered in the plugin's phone table by submitting an arbitrary OTP code and UID through the Firebase OTP login flow. Successful exploitation requires OTP login to be enabled with Firebase selected as the verification gateway, and requires the attacker to know or guess the target account's registered phone number. Administrator account takeover is possible if an administrator account has a phone number registered in the plugin.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选名称进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
RadiusTheme Classified Listing - Mobile Number Verification 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RadiusTheme Classified Listing - Mobile Number Verification是RadiusTheme公司的一款分类列表的移动号码验证插件。 RadiusTheme Classified Listing - Mobile Number Verification 1.6.0及之前版本存在授权问题漏洞，该漏洞源于process_otp_login函数缺少服务端Firebase OTP验证，可能导致未经身份验证的攻击者通过提交任意OTP代码和UID绕过身份验证，实现账户接
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
RadiusTheme Classified Listing - Mobile Number Verification 0 ~ 1.6.0 -

II. Public POCs for CVE-2026-15985

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III. Intelligence Information for CVE-2026-15985

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Vendor Advisories for CVE-2026-15985 (1)

Vendor Pages for CVE-2026-15985 (1)

IV. Related Vulnerabilities

Same vendor: RadiusTheme
Same weakness: CWE-289