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CVE-2026-76793— Firebase Authentication < 1.7.1 - Unauthenticated Account Takeover via Firebase Email Claim

Quick assessment

Affected
Unknown Firebase Authentication
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.

在 Firebase Authentication WordPress 插件 1.7.1 版本之前，系统在将身份验证令牌中的电子邮件地址与 WordPress 账户进行匹配并生成会话之前，并未要求对该电子邮件地址进行验证。这一漏洞使得未经身份验证的攻击者可以冒充任何用户（包括管理员）登录系统。

AI Predicted 9.8 Difficulty: Trivial EPSS 0.20% · P11

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Firebase Authentication < 1.7.1 affected
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I. Basic Information for CVE-2026-76793

Vulnerability Information
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Vulnerability Title
Firebase Authentication < 1.7.1 - Unauthenticated Account Takeover via Firebase Email Claim
Source: CVE Program / CVE List V5
Vulnerability Description
The Firebase Authentication WordPress plugin before 1.7.1 does not require the email address in an authentication token to be verified before matching it to a WordPress account and issuing a session, allowing unauthenticated attackers to log in as any user, including administrators.
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 Firebase Authentication 0 ~ 1.7.1 -

II. Public POCs for CVE-2026-76793

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III. Intelligence Information for CVE-2026-76793

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Vendor Advisories for CVE-2026-76793 (1)

Same Patch Batch · Unknown · 2026-08-22 · 13 CVEs total

CVE-2026-77001 Social Login & Sharing buttons with Analytics By SoClever <= 1.2.0 - Unauthenticated Authe
CVE-2026-77002 SmilePass Selfie Login <= 1.0.2 - Unauthenticated Authentication Bypass
CVE-2026-77000 WP Social Media Login <= 1.0.6 - Unauthenticated Account Takeover via Twitter Login Flow
CVE-2026-19222 Forminator Forms < 1.57.0.7 - Authenticated Privilege Escalation via Registration Form Rol
CVE-2026-19093 Tutor LMS < 4.0.6 - Instructor+ Arbitrary File Read via Video Path
CVE-2026-19221 Forminator Forms < 1.57.0.5 - Admin+ Network-Wide RCE via Hub Connector API Key on Multisi
CVE-2026-76789 Slider Hero < 9.1.3 - Unauthenticated Stored XSS via Slider Type Change and Add-Slider Han
CVE-2026-16260 Post Grid, Slider & Carousel Ultimate < 1.8.1 - Contributor+ Stored XSS via Header Title F
CVE-2026-16738 Conekta Payment Gateway < 6.2.2 - Unauthenticated Order Payment Completion via Webhook For
CVE-2026-16612 FiboSearch < 1.34.1 - Unauthenticated Password-Protected Product Information Disclosure
CVE-2026-18052 ManageWP Worker < 4.9.37 - Unauthenticated Authentication Bypass via Unsigned Auto-Login P
CVE-2026-14187 Tutor LMS < 4.0.6 - Instructor+ Cross-Instructor Private Course Disclosure via IDOR

IV. Related Vulnerabilities

Same vendor: Unknown

V. Comments for CVE-2026-76793

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