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CVE-2026-86814— UsersWP - Social Login < 1.5.10 - Unauthenticated Account Takeover via Unverified Provider Email

Quick assessment

Affected
Unknown UsersWP
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.

UsersWP WordPress 插件在 1.5.10 版本之前，在利用邮箱地址解析现有账户时，未验证社交登录提供方是否已确认该邮箱地址的所有权。这允许未认证的攻击者通过自行拥有的提供方账户，指定目标用户的邮箱地址，从而以任意用户（包括管理员）的身份登录。

AI Predicted 9.8 Difficulty: Trivial

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-86814

Vulnerability Information
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Vulnerability Title
UsersWP - Social Login < 1.5.10 - Unauthenticated Account Takeover via Unverified Provider Email
Source: CVE Program / CVE List V5
Vulnerability Description
The UsersWP WordPress plugin before 1.5.10 does not verify that a social login provider has confirmed ownership of an email address before using it to resolve an existing account, allowing unauthenticated attackers to log in as any user, including administrators, whose email address they can assert through a provider account of their own.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown UsersWP 0 ~ 1.5.10 -

II. Public POCs for CVE-2026-86814

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III. Intelligence Information for CVE-2026-86814

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Vendor Advisories for CVE-2026-86814 (1)

Same Patch Batch · Unknown · 2026-09-19 · 21 CVEs total

CVE-2026-91847 Bookly < 28.2 - Unauthenticated AI Assistant Conversation Disclosure and Message Injection
CVE-2025-15698 Business Name Generator <= 1.3 - Admin+ Stored XSS via Button Color Setting
CVE-2026-19860 JetFormBuilder 3.5.6.2 - 3.6.5.2 - Admin+ Arbitrary File Deletion via Server-Side Validati
CVE-2026-16557 Nimble Builder <= 3.3.8 - Subscriber+ Non-Public Content Disclosure via sek_get_nimble_con
CVE-2026-84750 Ultimate Addons for Contact Form 7 3.2.4 - 3.5.50 - Unauthenticated Arbitrary File Upload
CVE-2026-76554 WP Import Export Lite < 3.9.35 - Authenticated Privilege Escalation via User Import
CVE-2026-76790 Estatik < 4.3.5 - Reflected XSS via get_listings hash Parameter
CVE-2026-85574 Unbounce Landing Pages 1.1.1 - 1.1.4 - Subscriber+ Reverse-Proxy Target Hijack via set_unb
CVE-2026-85680 Ultimate Member < 2.13.1 - Unauthenticated Stored XSS via Profile Page Title
CVE-2026-86591 Botiga Pro < 1.6.5 - Unauthenticated Arbitrary Blog Options Update via Templates Builder R
CVE-2026-92435 Mailchimp for WooCommerce < 6.1.1 - Unauthenticated Broken Access Control in REST API
CVE-2026-92099 WPGraphQL Smart Cache < 2.3.2 - Unauthenticated Persisted Query Registration and Alias Squ
CVE-2026-88824 Master Blocks 1.4.1 - 1.4.1.4 - Unauthenticated Stored XSS via White Label Settings
CVE-2026-88926 VikRentItems Flexible Rental Management System < 1.2.4 - Unauthenticated SQLi
CVE-2026-92404 MgoSync 2.1.5 - 2.1.6 - Unauthenticated WooCommerce API Credential Disclosure
CVE-2026-92425 Hydra Booking < 1.2.4 - Hydra Host+ Cross-Host Account Modification and Deletion via IDOR
CVE-2026-92420 Hydra Booking < 1.2.2 - Hydra Host+ Cross-Host Booking Deletion and Modification via IDOR
CVE-2026-92421 Hydra Booking 1.1.0 - < 1.2.3 - Hydra Host+ Host Profile Takeover via IDOR
CVE-2026-92403 Secure Custom Fields < 6.9.4 - Unauthenticated Post Modification via Front-End Form ID Sub
CVE-2026-92430 Rede Itaú for WooCommerce < 5.4.7 - Unauthenticated Order Status Manipulation via PIX Webh

IV. Related Vulnerabilities

Same product: UsersWP
Same vendor: Unknown

V. Comments for CVE-2026-86814

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